Home / 15,834.78-23,736.51-7,500.15

Finding the Fourth Proportional to 15,834.78, 23,736.51 and 7,500.15

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Solution

The fourth proportional to 15,834.78, 23,736.51 and 7,500.15 is: 11,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.78 : 23,736.51 = 7,500.15 : x
  2. Step 2: Convert to fraction form
    15,834.78/23,736.51 = 7,500.15/x
  3. Step 3: Cross multiply
    15,834.78x = 23,736.51 × 7,500.15
  4. Step 4: Simplify right side
    15,834.78x = 178,027,385.48
  5. Step 5: Solve for x
    x = 178,027,385.48/15,834.78
  6. Step 6: Final answer
    x = 11,242.81

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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.