Home / 15,984.76-23,984.05-8,580.57

Finding the Fourth Proportional to 15,984.76, 23,984.05 and 8,580.57

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Solution

The fourth proportional to 15,984.76, 23,984.05 and 8,580.57 is: 12,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.76 : 23,984.05 = 8,580.57 : x
  2. Step 2: Convert to fraction form
    15,984.76/23,984.05 = 8,580.57/x
  3. Step 3: Cross multiply
    15,984.76x = 23,984.05 × 8,580.57
  4. Step 4: Simplify right side
    15,984.76x = 205,796,819.91
  5. Step 5: Solve for x
    x = 205,796,819.91/15,984.76
  6. Step 6: Final answer
    x = 12,874.56

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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.