Home / 22,221.66-30,672.75-12,796.62

Finding the Fourth Proportional to 22,221.66, 30,672.75 and 12,796.62

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Solution

The fourth proportional to 22,221.66, 30,672.75 and 12,796.62 is: 17,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.66 : 30,672.75 = 12,796.62 : x
  2. Step 2: Convert to fraction form
    22,221.66/30,672.75 = 12,796.62/x
  3. Step 3: Cross multiply
    22,221.66x = 30,672.75 × 12,796.62
  4. Step 4: Simplify right side
    22,221.66x = 392,507,526.11
  5. Step 5: Solve for x
    x = 392,507,526.11/22,221.66
  6. Step 6: Final answer
    x = 17,663.29

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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.