Home / 19,049.86-26,286.56-10,983.43

Finding the Fourth Proportional to 19,049.86, 26,286.56 and 10,983.43

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Solution

The fourth proportional to 19,049.86, 26,286.56 and 10,983.43 is: 15,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.86 : 26,286.56 = 10,983.43 : x
  2. Step 2: Convert to fraction form
    19,049.86/26,286.56 = 10,983.43/x
  3. Step 3: Cross multiply
    19,049.86x = 26,286.56 × 10,983.43
  4. Step 4: Simplify right side
    19,049.86x = 288,716,460.27
  5. Step 5: Solve for x
    x = 288,716,460.27/19,049.86
  6. Step 6: Final answer
    x = 15,155.83

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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.