Home / 18,108.38-27,164.64-16,248.08

Finding the Fourth Proportional to 18,108.38, 27,164.64 and 16,248.08

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Solution

The fourth proportional to 18,108.38, 27,164.64 and 16,248.08 is: 24,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.38 : 27,164.64 = 16,248.08 : x
  2. Step 2: Convert to fraction form
    18,108.38/27,164.64 = 16,248.08/x
  3. Step 3: Cross multiply
    18,108.38x = 27,164.64 × 16,248.08
  4. Step 4: Simplify right side
    18,108.38x = 441,373,243.89
  5. Step 5: Solve for x
    x = 441,373,243.89/18,108.38
  6. Step 6: Final answer
    x = 24,373.98

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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.