Home / 14,532.12-20,049.91-8,561.61

Finding the Fourth Proportional to 14,532.12, 20,049.91 and 8,561.61

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Solution

The fourth proportional to 14,532.12, 20,049.91 and 8,561.61 is: 11,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.12 : 20,049.91 = 8,561.61 : x
  2. Step 2: Convert to fraction form
    14,532.12/20,049.91 = 8,561.61/x
  3. Step 3: Cross multiply
    14,532.12x = 20,049.91 × 8,561.61
  4. Step 4: Simplify right side
    14,532.12x = 171,659,488.55
  5. Step 5: Solve for x
    x = 171,659,488.55/14,532.12
  6. Step 6: Final answer
    x = 11,812.42

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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.