Home / 18,317.53-25,279.26-10,251.12

Finding the Fourth Proportional to 18,317.53, 25,279.26 and 10,251.12

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Solution

The fourth proportional to 18,317.53, 25,279.26 and 10,251.12 is: 14,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.53 : 25,279.26 = 10,251.12 : x
  2. Step 2: Convert to fraction form
    18,317.53/25,279.26 = 10,251.12/x
  3. Step 3: Cross multiply
    18,317.53x = 25,279.26 × 10,251.12
  4. Step 4: Simplify right side
    18,317.53x = 259,140,641.93
  5. Step 5: Solve for x
    x = 259,140,641.93/18,317.53
  6. Step 6: Final answer
    x = 14,147.14

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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.