Home / 16,079.91-22,189.76-8,909.53

Finding the Fourth Proportional to 16,079.91, 22,189.76 and 8,909.53

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Solution

The fourth proportional to 16,079.91, 22,189.76 and 8,909.53 is: 12,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.91 : 22,189.76 = 8,909.53 : x
  2. Step 2: Convert to fraction form
    16,079.91/22,189.76 = 8,909.53/x
  3. Step 3: Cross multiply
    16,079.91x = 22,189.76 × 8,909.53
  4. Step 4: Simplify right side
    16,079.91x = 197,700,332.41
  5. Step 5: Solve for x
    x = 197,700,332.41/16,079.91
  6. Step 6: Final answer
    x = 12,294.87

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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.