Home / 22,293.01-30,764.19-12,221.88

Finding the Fourth Proportional to 22,293.01, 30,764.19 and 12,221.88

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Solution

The fourth proportional to 22,293.01, 30,764.19 and 12,221.88 is: 16,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.01 : 30,764.19 = 12,221.88 : x
  2. Step 2: Convert to fraction form
    22,293.01/30,764.19 = 12,221.88/x
  3. Step 3: Cross multiply
    22,293.01x = 30,764.19 × 12,221.88
  4. Step 4: Simplify right side
    22,293.01x = 375,996,238.48
  5. Step 5: Solve for x
    x = 375,996,238.48/22,293.01
  6. Step 6: Final answer
    x = 16,866.10

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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.