Home / 22,087.80-30,476.16-16,122.72

Finding the Fourth Proportional to 22,087.80, 30,476.16 and 16,122.72

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Solution

The fourth proportional to 22,087.80, 30,476.16 and 16,122.72 is: 22,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.80 : 30,476.16 = 16,122.72 : x
  2. Step 2: Convert to fraction form
    22,087.80/30,476.16 = 16,122.72/x
  3. Step 3: Cross multiply
    22,087.80x = 30,476.16 × 16,122.72
  4. Step 4: Simplify right side
    22,087.80x = 491,358,594.36
  5. Step 5: Solve for x
    x = 491,358,594.36/22,087.80
  6. Step 6: Final answer
    x = 22,245.70

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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.