Home / 15,760.87-23,640.49-4,073.79

Finding the Fourth Proportional to 15,760.87, 23,640.49 and 4,073.79

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Solution

The fourth proportional to 15,760.87, 23,640.49 and 4,073.79 is: 6,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.87 : 23,640.49 = 4,073.79 : x
  2. Step 2: Convert to fraction form
    15,760.87/23,640.49 = 4,073.79/x
  3. Step 3: Cross multiply
    15,760.87x = 23,640.49 × 4,073.79
  4. Step 4: Simplify right side
    15,760.87x = 96,306,391.76
  5. Step 5: Solve for x
    x = 96,306,391.76/15,760.87
  6. Step 6: Final answer
    x = 6,110.47

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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.