Home / 14,722.62-22,081.50-6,400.38

Finding the Fourth Proportional to 14,722.62, 22,081.50 and 6,400.38

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Solution

The fourth proportional to 14,722.62, 22,081.50 and 6,400.38 is: 9,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.62 : 22,081.50 = 6,400.38 : x
  2. Step 2: Convert to fraction form
    14,722.62/22,081.50 = 6,400.38/x
  3. Step 3: Cross multiply
    14,722.62x = 22,081.50 × 6,400.38
  4. Step 4: Simplify right side
    14,722.62x = 141,329,990.97
  5. Step 5: Solve for x
    x = 141,329,990.97/14,722.62
  6. Step 6: Final answer
    x = 9,599.51

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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.