Home / 18,726.36-25,834.34-10,766.90

Finding the Fourth Proportional to 18,726.36, 25,834.34 and 10,766.90

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Solution

The fourth proportional to 18,726.36, 25,834.34 and 10,766.90 is: 14,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.36 : 25,834.34 = 10,766.90 : x
  2. Step 2: Convert to fraction form
    18,726.36/25,834.34 = 10,766.90/x
  3. Step 3: Cross multiply
    18,726.36x = 25,834.34 × 10,766.90
  4. Step 4: Simplify right side
    18,726.36x = 278,155,755.35
  5. Step 5: Solve for x
    x = 278,155,755.35/18,726.36
  6. Step 6: Final answer
    x = 14,853.70

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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.