Home / 22,214.60-30,656.06-12,143.03

Finding the Fourth Proportional to 22,214.60, 30,656.06 and 12,143.03

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Solution

The fourth proportional to 22,214.60, 30,656.06 and 12,143.03 is: 16,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.60 : 30,656.06 = 12,143.03 : x
  2. Step 2: Convert to fraction form
    22,214.60/30,656.06 = 12,143.03/x
  3. Step 3: Cross multiply
    22,214.60x = 30,656.06 × 12,143.03
  4. Step 4: Simplify right side
    22,214.60x = 372,257,456.26
  5. Step 5: Solve for x
    x = 372,257,456.26/22,214.60
  6. Step 6: Final answer
    x = 16,757.34

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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.