Home / 18,314.97-25,279.64-10,763.74

Finding the Fourth Proportional to 18,314.97, 25,279.64 and 10,763.74

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Solution

The fourth proportional to 18,314.97, 25,279.64 and 10,763.74 is: 14,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.97 : 25,279.64 = 10,763.74 : x
  2. Step 2: Convert to fraction form
    18,314.97/25,279.64 = 10,763.74/x
  3. Step 3: Cross multiply
    18,314.97x = 25,279.64 × 10,763.74
  4. Step 4: Simplify right side
    18,314.97x = 272,103,408.75
  5. Step 5: Solve for x
    x = 272,103,408.75/18,314.97
  6. Step 6: Final answer
    x = 14,856.88

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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.