Home / 38,110.25-57,168.32-11,454.15

Finding the Fourth Proportional to 38,110.25, 57,168.32 and 11,454.15

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Solution

The fourth proportional to 38,110.25, 57,168.32 and 11,454.15 is: 17,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.25 : 57,168.32 = 11,454.15 : x
  2. Step 2: Convert to fraction form
    38,110.25/57,168.32 = 11,454.15/x
  3. Step 3: Cross multiply
    38,110.25x = 57,168.32 × 11,454.15
  4. Step 4: Simplify right side
    38,110.25x = 654,814,455.26
  5. Step 5: Solve for x
    x = 654,814,455.26/38,110.25
  6. Step 6: Final answer
    x = 17,182.11

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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.