Home / 18,317.73-25,278.34-10,251.39

Finding the Fourth Proportional to 18,317.73, 25,278.34 and 10,251.39

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Solution

The fourth proportional to 18,317.73, 25,278.34 and 10,251.39 is: 14,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.73 : 25,278.34 = 10,251.39 : x
  2. Step 2: Convert to fraction form
    18,317.73/25,278.34 = 10,251.39/x
  3. Step 3: Cross multiply
    18,317.73x = 25,278.34 × 10,251.39
  4. Step 4: Simplify right side
    18,317.73x = 259,138,070.64
  5. Step 5: Solve for x
    x = 259,138,070.64/18,317.73
  6. Step 6: Final answer
    x = 14,146.84

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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.