Home / 22,040.46-30,400.77-14,079.12

Finding the Fourth Proportional to 22,040.46, 30,400.77 and 14,079.12

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Solution

The fourth proportional to 22,040.46, 30,400.77 and 14,079.12 is: 19,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.46 : 30,400.77 = 14,079.12 : x
  2. Step 2: Convert to fraction form
    22,040.46/30,400.77 = 14,079.12/x
  3. Step 3: Cross multiply
    22,040.46x = 30,400.77 × 14,079.12
  4. Step 4: Simplify right side
    22,040.46x = 428,016,088.92
  5. Step 5: Solve for x
    x = 428,016,088.92/22,040.46
  6. Step 6: Final answer
    x = 19,419.56

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Half scale
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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.