Home / 16,079.68-22,191.20-9,008.48

Finding the Fourth Proportional to 16,079.68, 22,191.20 and 9,008.48

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Solution

The fourth proportional to 16,079.68, 22,191.20 and 9,008.48 is: 12,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.68 : 22,191.20 = 9,008.48 : x
  2. Step 2: Convert to fraction form
    16,079.68/22,191.20 = 9,008.48/x
  3. Step 3: Cross multiply
    16,079.68x = 22,191.20 × 9,008.48
  4. Step 4: Simplify right side
    16,079.68x = 199,908,981.38
  5. Step 5: Solve for x
    x = 199,908,981.38/16,079.68
  6. Step 6: Final answer
    x = 12,432.40

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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.