Home / 38,264.85-57,397.29-11,969.70

Finding the Fourth Proportional to 38,264.85, 57,397.29 and 11,969.70

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Solution

The fourth proportional to 38,264.85, 57,397.29 and 11,969.70 is: 17,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,264.85 : 57,397.29 = 11,969.70 : x
  2. Step 2: Convert to fraction form
    38,264.85/57,397.29 = 11,969.70/x
  3. Step 3: Cross multiply
    38,264.85x = 57,397.29 × 11,969.70
  4. Step 4: Simplify right side
    38,264.85x = 687,028,342.11
  5. Step 5: Solve for x
    x = 687,028,342.11/38,264.85
  6. Step 6: Final answer
    x = 17,954.55

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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.