Home / 18,562.20-25,615.86-11,012.19

Finding the Fourth Proportional to 18,562.20, 25,615.86 and 11,012.19

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Solution

The fourth proportional to 18,562.20, 25,615.86 and 11,012.19 is: 15,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.20 : 25,615.86 = 11,012.19 : x
  2. Step 2: Convert to fraction form
    18,562.20/25,615.86 = 11,012.19/x
  3. Step 3: Cross multiply
    18,562.20x = 25,615.86 × 11,012.19
  4. Step 4: Simplify right side
    18,562.20x = 282,086,717.33
  5. Step 5: Solve for x
    x = 282,086,717.33/18,562.20
  6. Step 6: Final answer
    x = 15,196.84

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Half scale
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Double scale
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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.