Home / 19,351.46-29,027.18-15,480.47

Finding the Fourth Proportional to 19,351.46, 29,027.18 and 15,480.47

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Solution

The fourth proportional to 19,351.46, 29,027.18 and 15,480.47 is: 23,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.46 : 29,027.18 = 15,480.47 : x
  2. Step 2: Convert to fraction form
    19,351.46/29,027.18 = 15,480.47/x
  3. Step 3: Cross multiply
    19,351.46x = 29,027.18 × 15,480.47
  4. Step 4: Simplify right side
    19,351.46x = 449,354,389.17
  5. Step 5: Solve for x
    x = 449,354,389.17/19,351.46
  6. Step 6: Final answer
    x = 23,220.70

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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.