Home / 25,640.30-38,479.92-17,300.54

Finding the Fourth Proportional to 25,640.30, 38,479.92 and 17,300.54

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Solution

The fourth proportional to 25,640.30, 38,479.92 and 17,300.54 is: 25,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.30 : 38,479.92 = 17,300.54 : x
  2. Step 2: Convert to fraction form
    25,640.30/38,479.92 = 17,300.54/x
  3. Step 3: Cross multiply
    25,640.30x = 38,479.92 × 17,300.54
  4. Step 4: Simplify right side
    25,640.30x = 665,723,395.16
  5. Step 5: Solve for x
    x = 665,723,395.16/25,640.30
  6. Step 6: Final answer
    x = 25,963.95

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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.