Home / 15,922.78-23,881.06-15,132.52

Finding the Fourth Proportional to 15,922.78, 23,881.06 and 15,132.52

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Solution

The fourth proportional to 15,922.78, 23,881.06 and 15,132.52 is: 22,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.78 : 23,881.06 = 15,132.52 : x
  2. Step 2: Convert to fraction form
    15,922.78/23,881.06 = 15,132.52/x
  3. Step 3: Cross multiply
    15,922.78x = 23,881.06 × 15,132.52
  4. Step 4: Simplify right side
    15,922.78x = 361,380,618.07
  5. Step 5: Solve for x
    x = 361,380,618.07/15,922.78
  6. Step 6: Final answer
    x = 22,695.82

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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.