Home / 18,346.86-25,317.99-9,963.18

Finding the Fourth Proportional to 18,346.86, 25,317.99 and 9,963.18

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Solution

The fourth proportional to 18,346.86, 25,317.99 and 9,963.18 is: 13,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.86 : 25,317.99 = 9,963.18 : x
  2. Step 2: Convert to fraction form
    18,346.86/25,317.99 = 9,963.18/x
  3. Step 3: Cross multiply
    18,346.86x = 25,317.99 × 9,963.18
  4. Step 4: Simplify right side
    18,346.86x = 252,247,691.61
  5. Step 5: Solve for x
    x = 252,247,691.61/18,346.86
  6. Step 6: Final answer
    x = 13,748.82

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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.