Home / 38,915.68-58,383.12-11,213.44

Finding the Fourth Proportional to 38,915.68, 58,383.12 and 11,213.44

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Solution

The fourth proportional to 38,915.68, 58,383.12 and 11,213.44 is: 16,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.68 : 58,383.12 = 11,213.44 : x
  2. Step 2: Convert to fraction form
    38,915.68/58,383.12 = 11,213.44/x
  3. Step 3: Cross multiply
    38,915.68x = 58,383.12 × 11,213.44
  4. Step 4: Simplify right side
    38,915.68x = 654,675,613.13
  5. Step 5: Solve for x
    x = 654,675,613.13/38,915.68
  6. Step 6: Final answer
    x = 16,822.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.