Home / 22,213.97-30,652.44-12,655.07

Finding the Fourth Proportional to 22,213.97, 30,652.44 and 12,655.07

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Solution

The fourth proportional to 22,213.97, 30,652.44 and 12,655.07 is: 17,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.97 : 30,652.44 = 12,655.07 : x
  2. Step 2: Convert to fraction form
    22,213.97/30,652.44 = 12,655.07/x
  3. Step 3: Cross multiply
    22,213.97x = 30,652.44 × 12,655.07
  4. Step 4: Simplify right side
    22,213.97x = 387,908,773.87
  5. Step 5: Solve for x
    x = 387,908,773.87/22,213.97
  6. Step 6: Final answer
    x = 17,462.38

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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.