Home / 18,789.26-25,932.02-10,722.87

Finding the Fourth Proportional to 18,789.26, 25,932.02 and 10,722.87

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Solution

The fourth proportional to 18,789.26, 25,932.02 and 10,722.87 is: 14,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.26 : 25,932.02 = 10,722.87 : x
  2. Step 2: Convert to fraction form
    18,789.26/25,932.02 = 10,722.87/x
  3. Step 3: Cross multiply
    18,789.26x = 25,932.02 × 10,722.87
  4. Step 4: Simplify right side
    18,789.26x = 278,065,706.10
  5. Step 5: Solve for x
    x = 278,065,706.10/18,789.26
  6. Step 6: Final answer
    x = 14,799.19

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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.