Home / 15,830.43-23,753.91-11,483.78

Finding the Fourth Proportional to 15,830.43, 23,753.91 and 11,483.78

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Solution

The fourth proportional to 15,830.43, 23,753.91 and 11,483.78 is: 17,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.43 : 23,753.91 = 11,483.78 : x
  2. Step 2: Convert to fraction form
    15,830.43/23,753.91 = 11,483.78/x
  3. Step 3: Cross multiply
    15,830.43x = 23,753.91 × 11,483.78
  4. Step 4: Simplify right side
    15,830.43x = 272,784,557.81
  5. Step 5: Solve for x
    x = 272,784,557.81/15,830.43
  6. Step 6: Final answer
    x = 17,231.66

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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.