Home / 18,344.88-25,317.14-10,279.18

Finding the Fourth Proportional to 18,344.88, 25,317.14 and 10,279.18

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Solution

The fourth proportional to 18,344.88, 25,317.14 and 10,279.18 is: 14,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.88 : 25,317.14 = 10,279.18 : x
  2. Step 2: Convert to fraction form
    18,344.88/25,317.14 = 10,279.18/x
  3. Step 3: Cross multiply
    18,344.88x = 25,317.14 × 10,279.18
  4. Step 4: Simplify right side
    18,344.88x = 260,239,439.15
  5. Step 5: Solve for x
    x = 260,239,439.15/18,344.88
  6. Step 6: Final answer
    x = 14,185.94

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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.