Home / 18,437.12-27,606.47-16,222.78

Finding the Fourth Proportional to 18,437.12, 27,606.47 and 16,222.78

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Solution

The fourth proportional to 18,437.12, 27,606.47 and 16,222.78 is: 24,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.12 : 27,606.47 = 16,222.78 : x
  2. Step 2: Convert to fraction form
    18,437.12/27,606.47 = 16,222.78/x
  3. Step 3: Cross multiply
    18,437.12x = 27,606.47 × 16,222.78
  4. Step 4: Simplify right side
    18,437.12x = 447,853,734.03
  5. Step 5: Solve for x
    x = 447,853,734.03/18,437.12
  6. Step 6: Final answer
    x = 24,290.87

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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.