Home / 23,221.08-34,830-10,082.88

Finding the Fourth Proportional to 23,221.08, 34,830 and 10,082.88

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Solution

The fourth proportional to 23,221.08, 34,830 and 10,082.88 is: 15,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.08 : 34,830 = 10,082.88 : x
  2. Step 2: Convert to fraction form
    23,221.08/34,830 = 10,082.88/x
  3. Step 3: Cross multiply
    23,221.08x = 34,830 × 10,082.88
  4. Step 4: Simplify right side
    23,221.08x = 351,186,710.40
  5. Step 5: Solve for x
    x = 351,186,710.40/23,221.08
  6. Step 6: Final answer
    x = 15,123.62

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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.