Home / 14,592.21-20,138.23-8,132.85

Finding the Fourth Proportional to 14,592.21, 20,138.23 and 8,132.85

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Solution

The fourth proportional to 14,592.21, 20,138.23 and 8,132.85 is: 11,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.21 : 20,138.23 = 8,132.85 : x
  2. Step 2: Convert to fraction form
    14,592.21/20,138.23 = 8,132.85/x
  3. Step 3: Cross multiply
    14,592.21x = 20,138.23 × 8,132.85
  4. Step 4: Simplify right side
    14,592.21x = 163,781,159.83
  5. Step 5: Solve for x
    x = 163,781,159.83/14,592.21
  6. Step 6: Final answer
    x = 11,223.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.