Home / 17,731.20-24,470.19-9,774.30

Finding the Fourth Proportional to 17,731.20, 24,470.19 and 9,774.30

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Solution

The fourth proportional to 17,731.20, 24,470.19 and 9,774.30 is: 13,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.20 : 24,470.19 = 9,774.30 : x
  2. Step 2: Convert to fraction form
    17,731.20/24,470.19 = 9,774.30/x
  3. Step 3: Cross multiply
    17,731.20x = 24,470.19 × 9,774.30
  4. Step 4: Simplify right side
    17,731.20x = 239,178,978.12
  5. Step 5: Solve for x
    x = 239,178,978.12/17,731.20
  6. Step 6: Final answer
    x = 13,489.16

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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.