Home / 25,049.60-34,565.08-14,979.12

Finding the Fourth Proportional to 25,049.60, 34,565.08 and 14,979.12

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Solution

The fourth proportional to 25,049.60, 34,565.08 and 14,979.12 is: 20,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.60 : 34,565.08 = 14,979.12 : x
  2. Step 2: Convert to fraction form
    25,049.60/34,565.08 = 14,979.12/x
  3. Step 3: Cross multiply
    25,049.60x = 34,565.08 × 14,979.12
  4. Step 4: Simplify right side
    25,049.60x = 517,754,481.13
  5. Step 5: Solve for x
    x = 517,754,481.13/25,049.60
  6. Step 6: Final answer
    x = 20,669.17

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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.