Home / 22,115.10-30,486.60-16,800.69

Finding the Fourth Proportional to 22,115.10, 30,486.60 and 16,800.69

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Solution

The fourth proportional to 22,115.10, 30,486.60 and 16,800.69 is: 23,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.10 : 30,486.60 = 16,800.69 : x
  2. Step 2: Convert to fraction form
    22,115.10/30,486.60 = 16,800.69/x
  3. Step 3: Cross multiply
    22,115.10x = 30,486.60 × 16,800.69
  4. Step 4: Simplify right side
    22,115.10x = 512,195,915.75
  5. Step 5: Solve for x
    x = 512,195,915.75/22,115.10
  6. Step 6: Final answer
    x = 23,160.46

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Half scale
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Double scale
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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.