Home / 38,355.26-57,546.69-13,398.98

Finding the Fourth Proportional to 38,355.26, 57,546.69 and 13,398.98

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Solution

The fourth proportional to 38,355.26, 57,546.69 and 13,398.98 is: 20,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.26 : 57,546.69 = 13,398.98 : x
  2. Step 2: Convert to fraction form
    38,355.26/57,546.69 = 13,398.98/x
  3. Step 3: Cross multiply
    38,355.26x = 57,546.69 × 13,398.98
  4. Step 4: Simplify right side
    38,355.26x = 771,066,948.38
  5. Step 5: Solve for x
    x = 771,066,948.38/38,355.26
  6. Step 6: Final answer
    x = 20,103.29

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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.