Home / 18,932.07-26,125.86-10,974.09

Finding the Fourth Proportional to 18,932.07, 26,125.86 and 10,974.09

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Solution

The fourth proportional to 18,932.07, 26,125.86 and 10,974.09 is: 15,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.07 : 26,125.86 = 10,974.09 : x
  2. Step 2: Convert to fraction form
    18,932.07/26,125.86 = 10,974.09/x
  3. Step 3: Cross multiply
    18,932.07x = 26,125.86 × 10,974.09
  4. Step 4: Simplify right side
    18,932.07x = 286,707,538.97
  5. Step 5: Solve for x
    x = 286,707,538.97/18,932.07
  6. Step 6: Final answer
    x = 15,144.01

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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.