Home / 22,449.32-30,976.44-13,494.68

Finding the Fourth Proportional to 22,449.32, 30,976.44 and 13,494.68

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Solution

The fourth proportional to 22,449.32, 30,976.44 and 13,494.68 is: 18,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.32 : 30,976.44 = 13,494.68 : x
  2. Step 2: Convert to fraction form
    22,449.32/30,976.44 = 13,494.68/x
  3. Step 3: Cross multiply
    22,449.32x = 30,976.44 × 13,494.68
  4. Step 4: Simplify right side
    22,449.32x = 418,017,145.34
  5. Step 5: Solve for x
    x = 418,017,145.34/22,449.32
  6. Step 6: Final answer
    x = 18,620.48

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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.