Home / 25,240.98-37,862.09-12,078.90

Finding the Fourth Proportional to 25,240.98, 37,862.09 and 12,078.90

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Solution

The fourth proportional to 25,240.98, 37,862.09 and 12,078.90 is: 18,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.98 : 37,862.09 = 12,078.90 : x
  2. Step 2: Convert to fraction form
    25,240.98/37,862.09 = 12,078.90/x
  3. Step 3: Cross multiply
    25,240.98x = 37,862.09 × 12,078.90
  4. Step 4: Simplify right side
    25,240.98x = 457,332,398.90
  5. Step 5: Solve for x
    x = 457,332,398.90/25,240.98
  6. Step 6: Final answer
    x = 18,118.65

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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.