Home / 22,183.21-30,613.13-12,752.29

Finding the Fourth Proportional to 22,183.21, 30,613.13 and 12,752.29

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Solution

The fourth proportional to 22,183.21, 30,613.13 and 12,752.29 is: 17,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.21 : 30,613.13 = 12,752.29 : x
  2. Step 2: Convert to fraction form
    22,183.21/30,613.13 = 12,752.29/x
  3. Step 3: Cross multiply
    22,183.21x = 30,613.13 × 12,752.29
  4. Step 4: Simplify right side
    22,183.21x = 390,387,511.57
  5. Step 5: Solve for x
    x = 390,387,511.57/22,183.21
  6. Step 6: Final answer
    x = 17,598.33

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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.