Home / 25,614.48-38,439.02-8,974.64

Finding the Fourth Proportional to 25,614.48, 38,439.02 and 8,974.64

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Solution

The fourth proportional to 25,614.48, 38,439.02 and 8,974.64 is: 13,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.48 : 38,439.02 = 8,974.64 : x
  2. Step 2: Convert to fraction form
    25,614.48/38,439.02 = 8,974.64/x
  3. Step 3: Cross multiply
    25,614.48x = 38,439.02 × 8,974.64
  4. Step 4: Simplify right side
    25,614.48x = 344,976,366.45
  5. Step 5: Solve for x
    x = 344,976,366.45/25,614.48
  6. Step 6: Final answer
    x = 13,468.02

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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.