Home / 25,521.78-38,243.69-10,722.61

Finding the Fourth Proportional to 25,521.78, 38,243.69 and 10,722.61

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Solution

The fourth proportional to 25,521.78, 38,243.69 and 10,722.61 is: 16,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.78 : 38,243.69 = 10,722.61 : x
  2. Step 2: Convert to fraction form
    25,521.78/38,243.69 = 10,722.61/x
  3. Step 3: Cross multiply
    25,521.78x = 38,243.69 × 10,722.61
  4. Step 4: Simplify right side
    25,521.78x = 410,071,928.00
  5. Step 5: Solve for x
    x = 410,071,928.00/25,521.78
  6. Step 6: Final answer
    x = 16,067.53

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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.