Home / 18,081.28-24,950.80-10,122.42

Finding the Fourth Proportional to 18,081.28, 24,950.80 and 10,122.42

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Solution

The fourth proportional to 18,081.28, 24,950.80 and 10,122.42 is: 13,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.28 : 24,950.80 = 10,122.42 : x
  2. Step 2: Convert to fraction form
    18,081.28/24,950.80 = 10,122.42/x
  3. Step 3: Cross multiply
    18,081.28x = 24,950.80 × 10,122.42
  4. Step 4: Simplify right side
    18,081.28x = 252,562,476.94
  5. Step 5: Solve for x
    x = 252,562,476.94/18,081.28
  6. Step 6: Final answer
    x = 13,968.17

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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.