Home / 25,479.52-38,212.80-17,154.88

Finding the Fourth Proportional to 25,479.52, 38,212.80 and 17,154.88

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Solution

The fourth proportional to 25,479.52, 38,212.80 and 17,154.88 is: 25,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.52 : 38,212.80 = 17,154.88 : x
  2. Step 2: Convert to fraction form
    25,479.52/38,212.80 = 17,154.88/x
  3. Step 3: Cross multiply
    25,479.52x = 38,212.80 × 17,154.88
  4. Step 4: Simplify right side
    25,479.52x = 655,535,998.46
  5. Step 5: Solve for x
    x = 655,535,998.46/25,479.52
  6. Step 6: Final answer
    x = 25,727.96

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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.