Home / 14,540.12-20,065.85-8,167.83

Finding the Fourth Proportional to 14,540.12, 20,065.85 and 8,167.83

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Solution

The fourth proportional to 14,540.12, 20,065.85 and 8,167.83 is: 11,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.12 : 20,065.85 = 8,167.83 : x
  2. Step 2: Convert to fraction form
    14,540.12/20,065.85 = 8,167.83/x
  3. Step 3: Cross multiply
    14,540.12x = 20,065.85 × 8,167.83
  4. Step 4: Simplify right side
    14,540.12x = 163,894,472.03
  5. Step 5: Solve for x
    x = 163,894,472.03/14,540.12
  6. Step 6: Final answer
    x = 11,271.88

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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.