Home / 25,488.02-38,217.98-13,655.66

Finding the Fourth Proportional to 25,488.02, 38,217.98 and 13,655.66

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Solution

The fourth proportional to 25,488.02, 38,217.98 and 13,655.66 is: 20,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.02 : 38,217.98 = 13,655.66 : x
  2. Step 2: Convert to fraction form
    25,488.02/38,217.98 = 13,655.66/x
  3. Step 3: Cross multiply
    25,488.02x = 38,217.98 × 13,655.66
  4. Step 4: Simplify right side
    25,488.02x = 521,891,740.77
  5. Step 5: Solve for x
    x = 521,891,740.77/25,488.02
  6. Step 6: Final answer
    x = 20,475.96

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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.