Home / 29,189.80-40,286.10-16,615.72

Finding the Fourth Proportional to 29,189.80, 40,286.10 and 16,615.72

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Solution

The fourth proportional to 29,189.80, 40,286.10 and 16,615.72 is: 22,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.80 : 40,286.10 = 16,615.72 : x
  2. Step 2: Convert to fraction form
    29,189.80/40,286.10 = 16,615.72/x
  3. Step 3: Cross multiply
    29,189.80x = 40,286.10 × 16,615.72
  4. Step 4: Simplify right side
    29,189.80x = 669,382,557.49
  5. Step 5: Solve for x
    x = 669,382,557.49/29,189.80
  6. Step 6: Final answer
    x = 22,932.07

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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.