Home / 29,616.39-40,869.45-16,188.12

Finding the Fourth Proportional to 29,616.39, 40,869.45 and 16,188.12

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Solution

The fourth proportional to 29,616.39, 40,869.45 and 16,188.12 is: 22,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,616.39 : 40,869.45 = 16,188.12 : x
  2. Step 2: Convert to fraction form
    29,616.39/40,869.45 = 16,188.12/x
  3. Step 3: Cross multiply
    29,616.39x = 40,869.45 × 16,188.12
  4. Step 4: Simplify right side
    29,616.39x = 661,599,560.93
  5. Step 5: Solve for x
    x = 661,599,560.93/29,616.39
  6. Step 6: Final answer
    x = 22,338.97

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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.