Home / 38,247.28-57,370.92-13,623.28

Finding the Fourth Proportional to 38,247.28, 57,370.92 and 13,623.28

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Solution

The fourth proportional to 38,247.28, 57,370.92 and 13,623.28 is: 20,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.28 : 57,370.92 = 13,623.28 : x
  2. Step 2: Convert to fraction form
    38,247.28/57,370.92 = 13,623.28/x
  3. Step 3: Cross multiply
    38,247.28x = 57,370.92 × 13,623.28
  4. Step 4: Simplify right side
    38,247.28x = 781,580,107.02
  5. Step 5: Solve for x
    x = 781,580,107.02/38,247.28
  6. Step 6: Final answer
    x = 20,434.92

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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.