Home / 25,827.12-38,743.38-8,292.78

Finding the Fourth Proportional to 25,827.12, 38,743.38 and 8,292.78

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Solution

The fourth proportional to 25,827.12, 38,743.38 and 8,292.78 is: 12,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.12 : 38,743.38 = 8,292.78 : x
  2. Step 2: Convert to fraction form
    25,827.12/38,743.38 = 8,292.78/x
  3. Step 3: Cross multiply
    25,827.12x = 38,743.38 × 8,292.78
  4. Step 4: Simplify right side
    25,827.12x = 321,290,326.80
  5. Step 5: Solve for x
    x = 321,290,326.80/25,827.12
  6. Step 6: Final answer
    x = 12,440.04

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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.