Home / 25,118.20-34,640.58-18,760.19

Finding the Fourth Proportional to 25,118.20, 34,640.58 and 18,760.19

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Solution

The fourth proportional to 25,118.20, 34,640.58 and 18,760.19 is: 25,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.20 : 34,640.58 = 18,760.19 : x
  2. Step 2: Convert to fraction form
    25,118.20/34,640.58 = 18,760.19/x
  3. Step 3: Cross multiply
    25,118.20x = 34,640.58 × 18,760.19
  4. Step 4: Simplify right side
    25,118.20x = 649,863,862.51
  5. Step 5: Solve for x
    x = 649,863,862.51/25,118.20
  6. Step 6: Final answer
    x = 25,872.23

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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.