Home / 22,234.28-30,682.16-12,160.76

Finding the Fourth Proportional to 22,234.28, 30,682.16 and 12,160.76

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Solution

The fourth proportional to 22,234.28, 30,682.16 and 12,160.76 is: 16,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.28 : 30,682.16 = 12,160.76 : x
  2. Step 2: Convert to fraction form
    22,234.28/30,682.16 = 12,160.76/x
  3. Step 3: Cross multiply
    22,234.28x = 30,682.16 × 12,160.76
  4. Step 4: Simplify right side
    22,234.28x = 373,118,169.83
  5. Step 5: Solve for x
    x = 373,118,169.83/22,234.28
  6. Step 6: Final answer
    x = 16,781.22

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Half scale
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Double scale
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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.