Home / 14,882.12-20,536.92-8,167.70

Finding the Fourth Proportional to 14,882.12, 20,536.92 and 8,167.70

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Solution

The fourth proportional to 14,882.12, 20,536.92 and 8,167.70 is: 11,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.12 : 20,536.92 = 8,167.70 : x
  2. Step 2: Convert to fraction form
    14,882.12/20,536.92 = 8,167.70/x
  3. Step 3: Cross multiply
    14,882.12x = 20,536.92 × 8,167.70
  4. Step 4: Simplify right side
    14,882.12x = 167,739,401.48
  5. Step 5: Solve for x
    x = 167,739,401.48/14,882.12
  6. Step 6: Final answer
    x = 11,271.20

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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.