Home / 38,191.82-57,283.46-11,894.36

Finding the Fourth Proportional to 38,191.82, 57,283.46 and 11,894.36

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Solution

The fourth proportional to 38,191.82, 57,283.46 and 11,894.36 is: 17,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.82 : 57,283.46 = 11,894.36 : x
  2. Step 2: Convert to fraction form
    38,191.82/57,283.46 = 11,894.36/x
  3. Step 3: Cross multiply
    38,191.82x = 57,283.46 × 11,894.36
  4. Step 4: Simplify right side
    38,191.82x = 681,350,095.29
  5. Step 5: Solve for x
    x = 681,350,095.29/38,191.82
  6. Step 6: Final answer
    x = 17,840.21

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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.