Home / 25,645.86-38,482.13-19,404.04

Finding the Fourth Proportional to 25,645.86, 38,482.13 and 19,404.04

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Solution

The fourth proportional to 25,645.86, 38,482.13 and 19,404.04 is: 29,116.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.86 : 38,482.13 = 19,404.04 : x
  2. Step 2: Convert to fraction form
    25,645.86/38,482.13 = 19,404.04/x
  3. Step 3: Cross multiply
    25,645.86x = 38,482.13 × 19,404.04
  4. Step 4: Simplify right side
    25,645.86x = 746,708,596.58
  5. Step 5: Solve for x
    x = 746,708,596.58/25,645.86
  6. Step 6: Final answer
    x = 29,116.14

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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.