Home / 25,272.68-34,869.30-16,320.56

Finding the Fourth Proportional to 25,272.68, 34,869.30 and 16,320.56

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Solution

The fourth proportional to 25,272.68, 34,869.30 and 16,320.56 is: 22,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.68 : 34,869.30 = 16,320.56 : x
  2. Step 2: Convert to fraction form
    25,272.68/34,869.30 = 16,320.56/x
  3. Step 3: Cross multiply
    25,272.68x = 34,869.30 × 16,320.56
  4. Step 4: Simplify right side
    25,272.68x = 569,086,502.81
  5. Step 5: Solve for x
    x = 569,086,502.81/25,272.68
  6. Step 6: Final answer
    x = 22,517.85

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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.