Home / 25,318.97-38,002.29-12,847.95

Finding the Fourth Proportional to 25,318.97, 38,002.29 and 12,847.95

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Solution

The fourth proportional to 25,318.97, 38,002.29 and 12,847.95 is: 19,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.97 : 38,002.29 = 12,847.95 : x
  2. Step 2: Convert to fraction form
    25,318.97/38,002.29 = 12,847.95/x
  3. Step 3: Cross multiply
    25,318.97x = 38,002.29 × 12,847.95
  4. Step 4: Simplify right side
    25,318.97x = 488,251,521.81
  5. Step 5: Solve for x
    x = 488,251,521.81/25,318.97
  6. Step 6: Final answer
    x = 19,284.02

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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.