Home / 14,909.12-22,344.24-6,135.20

Finding the Fourth Proportional to 14,909.12, 22,344.24 and 6,135.20

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Solution

The fourth proportional to 14,909.12, 22,344.24 and 6,135.20 is: 9,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.12 : 22,344.24 = 6,135.20 : x
  2. Step 2: Convert to fraction form
    14,909.12/22,344.24 = 6,135.20/x
  3. Step 3: Cross multiply
    14,909.12x = 22,344.24 × 6,135.20
  4. Step 4: Simplify right side
    14,909.12x = 137,086,381.25
  5. Step 5: Solve for x
    x = 137,086,381.25/14,909.12
  6. Step 6: Final answer
    x = 9,194.80

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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.