Home / 15,380.49-23,073.19-5,388.03

Finding the Fourth Proportional to 15,380.49, 23,073.19 and 5,388.03

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Solution

The fourth proportional to 15,380.49, 23,073.19 and 5,388.03 is: 8,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.49 : 23,073.19 = 5,388.03 : x
  2. Step 2: Convert to fraction form
    15,380.49/23,073.19 = 5,388.03/x
  3. Step 3: Cross multiply
    15,380.49x = 23,073.19 × 5,388.03
  4. Step 4: Simplify right side
    15,380.49x = 124,319,026.45
  5. Step 5: Solve for x
    x = 124,319,026.45/15,380.49
  6. Step 6: Final answer
    x = 8,082.90

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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.