Home / 22,214.88-30,656.82-12,143.16

Finding the Fourth Proportional to 22,214.88, 30,656.82 and 12,143.16

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Solution

The fourth proportional to 22,214.88, 30,656.82 and 12,143.16 is: 16,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.88 : 30,656.82 = 12,143.16 : x
  2. Step 2: Convert to fraction form
    22,214.88/30,656.82 = 12,143.16/x
  3. Step 3: Cross multiply
    22,214.88x = 30,656.82 × 12,143.16
  4. Step 4: Simplify right side
    22,214.88x = 372,270,670.35
  5. Step 5: Solve for x
    x = 372,270,670.35/22,214.88
  6. Step 6: Final answer
    x = 16,757.72

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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.