Home / 25,789.92-35,588.88-14,609.76

Finding the Fourth Proportional to 25,789.92, 35,588.88 and 14,609.76

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Solution

The fourth proportional to 25,789.92, 35,588.88 and 14,609.76 is: 20,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.92 : 35,588.88 = 14,609.76 : x
  2. Step 2: Convert to fraction form
    25,789.92/35,588.88 = 14,609.76/x
  3. Step 3: Cross multiply
    25,789.92x = 35,588.88 × 14,609.76
  4. Step 4: Simplify right side
    25,789.92x = 519,944,995.47
  5. Step 5: Solve for x
    x = 519,944,995.47/25,789.92
  6. Step 6: Final answer
    x = 20,160.78

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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.