Home / 30,522.52-45,778.53-9,174.91

Finding the Fourth Proportional to 30,522.52, 45,778.53 and 9,174.91

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Solution

The fourth proportional to 30,522.52, 45,778.53 and 9,174.91 is: 13,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.52 : 45,778.53 = 9,174.91 : x
  2. Step 2: Convert to fraction form
    30,522.52/45,778.53 = 9,174.91/x
  3. Step 3: Cross multiply
    30,522.52x = 45,778.53 × 9,174.91
  4. Step 4: Simplify right side
    30,522.52x = 420,013,892.68
  5. Step 5: Solve for x
    x = 420,013,892.68/30,522.52
  6. Step 6: Final answer
    x = 13,760.79

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1.5x scale

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.