Home / 22,033.28-30,404.48-13,080.32

Finding the Fourth Proportional to 22,033.28, 30,404.48 and 13,080.32

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Solution

The fourth proportional to 22,033.28, 30,404.48 and 13,080.32 is: 18,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.28 : 30,404.48 = 13,080.32 : x
  2. Step 2: Convert to fraction form
    22,033.28/30,404.48 = 13,080.32/x
  3. Step 3: Cross multiply
    22,033.28x = 30,404.48 × 13,080.32
  4. Step 4: Simplify right side
    22,033.28x = 397,700,327.83
  5. Step 5: Solve for x
    x = 397,700,327.83/22,033.28
  6. Step 6: Final answer
    x = 18,049.98

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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.