Home / 38,302.10-57,453.18-12,008.88

Finding the Fourth Proportional to 38,302.10, 57,453.18 and 12,008.88

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Solution

The fourth proportional to 38,302.10, 57,453.18 and 12,008.88 is: 18,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.10 : 57,453.18 = 12,008.88 : x
  2. Step 2: Convert to fraction form
    38,302.10/57,453.18 = 12,008.88/x
  3. Step 3: Cross multiply
    38,302.10x = 57,453.18 × 12,008.88
  4. Step 4: Simplify right side
    38,302.10x = 689,948,344.24
  5. Step 5: Solve for x
    x = 689,948,344.24/38,302.10
  6. Step 6: Final answer
    x = 18,013.33

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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.