Home / 20,009.94-27,615.38-11,059.19

Finding the Fourth Proportional to 20,009.94, 27,615.38 and 11,059.19

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Solution

The fourth proportional to 20,009.94, 27,615.38 and 11,059.19 is: 15,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.94 : 27,615.38 = 11,059.19 : x
  2. Step 2: Convert to fraction form
    20,009.94/27,615.38 = 11,059.19/x
  3. Step 3: Cross multiply
    20,009.94x = 27,615.38 × 11,059.19
  4. Step 4: Simplify right side
    20,009.94x = 305,403,734.34
  5. Step 5: Solve for x
    x = 305,403,734.34/20,009.94
  6. Step 6: Final answer
    x = 15,262.60

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Find fourth proportional to 10,004.97, 13,807.69 and 5,529.60
Half scale
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Double scale
Find fourth proportional to 20,010.94, 27,616.76 and 11,060.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.