Home / 15,231.52-22,830-6,460.96

Finding the Fourth Proportional to 15,231.52, 22,830 and 6,460.96

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Solution

The fourth proportional to 15,231.52, 22,830 and 6,460.96 is: 9,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.52 : 22,830 = 6,460.96 : x
  2. Step 2: Convert to fraction form
    15,231.52/22,830 = 6,460.96/x
  3. Step 3: Cross multiply
    15,231.52x = 22,830 × 6,460.96
  4. Step 4: Simplify right side
    15,231.52x = 147,503,716.80
  5. Step 5: Solve for x
    x = 147,503,716.80/15,231.52
  6. Step 6: Final answer
    x = 9,684.11

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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.