Home / 18,932.12-26,124.80-10,974.86

Finding the Fourth Proportional to 18,932.12, 26,124.80 and 10,974.86

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Solution

The fourth proportional to 18,932.12, 26,124.80 and 10,974.86 is: 15,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.12 : 26,124.80 = 10,974.86 : x
  2. Step 2: Convert to fraction form
    18,932.12/26,124.80 = 10,974.86/x
  3. Step 3: Cross multiply
    18,932.12x = 26,124.80 × 10,974.86
  4. Step 4: Simplify right side
    18,932.12x = 286,715,837.03
  5. Step 5: Solve for x
    x = 286,715,837.03/18,932.12
  6. Step 6: Final answer
    x = 15,144.42

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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.