Home / 25,872.03-38,780.42-14,754.78

Finding the Fourth Proportional to 25,872.03, 38,780.42 and 14,754.78

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Solution

The fourth proportional to 25,872.03, 38,780.42 and 14,754.78 is: 22,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.03 : 38,780.42 = 14,754.78 : x
  2. Step 2: Convert to fraction form
    25,872.03/38,780.42 = 14,754.78/x
  3. Step 3: Cross multiply
    25,872.03x = 38,780.42 × 14,754.78
  4. Step 4: Simplify right side
    25,872.03x = 572,196,625.47
  5. Step 5: Solve for x
    x = 572,196,625.47/25,872.03
  6. Step 6: Final answer
    x = 22,116.42

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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.