Home / 22,091.76-33,143.40-13,382.64

Finding the Fourth Proportional to 22,091.76, 33,143.40 and 13,382.64

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Solution

The fourth proportional to 22,091.76, 33,143.40 and 13,382.64 is: 20,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.76 : 33,143.40 = 13,382.64 : x
  2. Step 2: Convert to fraction form
    22,091.76/33,143.40 = 13,382.64/x
  3. Step 3: Cross multiply
    22,091.76x = 33,143.40 × 13,382.64
  4. Step 4: Simplify right side
    22,091.76x = 443,546,190.58
  5. Step 5: Solve for x
    x = 443,546,190.58/22,091.76
  6. Step 6: Final answer
    x = 20,077.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.