Home / 15,861.90-23,795.59-5,332.95

Finding the Fourth Proportional to 15,861.90, 23,795.59 and 5,332.95

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Solution

The fourth proportional to 15,861.90, 23,795.59 and 5,332.95 is: 8,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.90 : 23,795.59 = 5,332.95 : x
  2. Step 2: Convert to fraction form
    15,861.90/23,795.59 = 5,332.95/x
  3. Step 3: Cross multiply
    15,861.90x = 23,795.59 × 5,332.95
  4. Step 4: Simplify right side
    15,861.90x = 126,900,691.69
  5. Step 5: Solve for x
    x = 126,900,691.69/15,861.90
  6. Step 6: Final answer
    x = 8,000.35

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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.