Home / 18,357.48-27,517.32-10,449.72

Finding the Fourth Proportional to 18,357.48, 27,517.32 and 10,449.72

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Solution

The fourth proportional to 18,357.48, 27,517.32 and 10,449.72 is: 15,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.48 : 27,517.32 = 10,449.72 : x
  2. Step 2: Convert to fraction form
    18,357.48/27,517.32 = 10,449.72/x
  3. Step 3: Cross multiply
    18,357.48x = 27,517.32 × 10,449.72
  4. Step 4: Simplify right side
    18,357.48x = 287,548,289.15
  5. Step 5: Solve for x
    x = 287,548,289.15/18,357.48
  6. Step 6: Final answer
    x = 15,663.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.