Home / 23,148.75-31,947.24-13,079.04

Finding the Fourth Proportional to 23,148.75, 31,947.24 and 13,079.04

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Solution

The fourth proportional to 23,148.75, 31,947.24 and 13,079.04 is: 18,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.75 : 31,947.24 = 13,079.04 : x
  2. Step 2: Convert to fraction form
    23,148.75/31,947.24 = 13,079.04/x
  3. Step 3: Cross multiply
    23,148.75x = 31,947.24 × 13,079.04
  4. Step 4: Simplify right side
    23,148.75x = 417,839,229.85
  5. Step 5: Solve for x
    x = 417,839,229.85/23,148.75
  6. Step 6: Final answer
    x = 18,050.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.