Home / 25,129.50-37,690.15-8,489.17

Finding the Fourth Proportional to 25,129.50, 37,690.15 and 8,489.17

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Solution

The fourth proportional to 25,129.50, 37,690.15 and 8,489.17 is: 12,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.50 : 37,690.15 = 8,489.17 : x
  2. Step 2: Convert to fraction form
    25,129.50/37,690.15 = 8,489.17/x
  3. Step 3: Cross multiply
    25,129.50x = 37,690.15 × 8,489.17
  4. Step 4: Simplify right side
    25,129.50x = 319,958,007.06
  5. Step 5: Solve for x
    x = 319,958,007.06/25,129.50
  6. Step 6: Final answer
    x = 12,732.36

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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.