Home / 22,301.66-30,775.92-12,230.19

Finding the Fourth Proportional to 22,301.66, 30,775.92 and 12,230.19

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Solution

The fourth proportional to 22,301.66, 30,775.92 and 12,230.19 is: 16,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.66 : 30,775.92 = 12,230.19 : x
  2. Step 2: Convert to fraction form
    22,301.66/30,775.92 = 12,230.19/x
  3. Step 3: Cross multiply
    22,301.66x = 30,775.92 × 12,230.19
  4. Step 4: Simplify right side
    22,301.66x = 376,395,349.02
  5. Step 5: Solve for x
    x = 376,395,349.02/22,301.66
  6. Step 6: Final answer
    x = 16,877.46

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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.