Home / 18,089.80-27,134.70-16,448.20

Finding the Fourth Proportional to 18,089.80, 27,134.70 and 16,448.20

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Solution

The fourth proportional to 18,089.80, 27,134.70 and 16,448.20 is: 24,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.80 : 27,134.70 = 16,448.20 : x
  2. Step 2: Convert to fraction form
    18,089.80/27,134.70 = 16,448.20/x
  3. Step 3: Cross multiply
    18,089.80x = 27,134.70 × 16,448.20
  4. Step 4: Simplify right side
    18,089.80x = 446,316,972.54
  5. Step 5: Solve for x
    x = 446,316,972.54/18,089.80
  6. Step 6: Final answer
    x = 24,672.30

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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.