Home / 19,685.20-29,522.52-13,444.14

Finding the Fourth Proportional to 19,685.20, 29,522.52 and 13,444.14

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Solution

The fourth proportional to 19,685.20, 29,522.52 and 13,444.14 is: 20,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.20 : 29,522.52 = 13,444.14 : x
  2. Step 2: Convert to fraction form
    19,685.20/29,522.52 = 13,444.14/x
  3. Step 3: Cross multiply
    19,685.20x = 29,522.52 × 13,444.14
  4. Step 4: Simplify right side
    19,685.20x = 396,904,892.03
  5. Step 5: Solve for x
    x = 396,904,892.03/19,685.20
  6. Step 6: Final answer
    x = 20,162.60

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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.