Home / 15,819.17-23,731.18-5,285.93

Finding the Fourth Proportional to 15,819.17, 23,731.18 and 5,285.93

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Solution

The fourth proportional to 15,819.17, 23,731.18 and 5,285.93 is: 7,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.17 : 23,731.18 = 5,285.93 : x
  2. Step 2: Convert to fraction form
    15,819.17/23,731.18 = 5,285.93/x
  3. Step 3: Cross multiply
    15,819.17x = 23,731.18 × 5,285.93
  4. Step 4: Simplify right side
    15,819.17x = 125,441,224.43
  5. Step 5: Solve for x
    x = 125,441,224.43/15,819.17
  6. Step 6: Final answer
    x = 7,929.70

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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.