Home / 18,081.62-24,952.98-10,123.84

Finding the Fourth Proportional to 18,081.62, 24,952.98 and 10,123.84

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Solution

The fourth proportional to 18,081.62, 24,952.98 and 10,123.84 is: 13,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.62 : 24,952.98 = 10,123.84 : x
  2. Step 2: Convert to fraction form
    18,081.62/24,952.98 = 10,123.84/x
  3. Step 3: Cross multiply
    18,081.62x = 24,952.98 × 10,123.84
  4. Step 4: Simplify right side
    18,081.62x = 252,619,977.04
  5. Step 5: Solve for x
    x = 252,619,977.04/18,081.62
  6. Step 6: Final answer
    x = 13,971.09

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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.