Home / 18,950.52-28,417.14-11,161.56

Finding the Fourth Proportional to 18,950.52, 28,417.14 and 11,161.56

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Solution

The fourth proportional to 18,950.52, 28,417.14 and 11,161.56 is: 16,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.52 : 28,417.14 = 11,161.56 : x
  2. Step 2: Convert to fraction form
    18,950.52/28,417.14 = 11,161.56/x
  3. Step 3: Cross multiply
    18,950.52x = 28,417.14 × 11,161.56
  4. Step 4: Simplify right side
    18,950.52x = 317,179,613.14
  5. Step 5: Solve for x
    x = 317,179,613.14/18,950.52
  6. Step 6: Final answer
    x = 16,737.25

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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.