Home / 22,116.48-30,520.12-12,044.70

Finding the Fourth Proportional to 22,116.48, 30,520.12 and 12,044.70

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Solution

The fourth proportional to 22,116.48, 30,520.12 and 12,044.70 is: 16,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.48 : 30,520.12 = 12,044.70 : x
  2. Step 2: Convert to fraction form
    22,116.48/30,520.12 = 12,044.70/x
  3. Step 3: Cross multiply
    22,116.48x = 30,520.12 × 12,044.70
  4. Step 4: Simplify right side
    22,116.48x = 367,605,689.36
  5. Step 5: Solve for x
    x = 367,605,689.36/22,116.48
  6. Step 6: Final answer
    x = 16,621.35

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Half scale
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Double scale
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Similar ratio
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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.