Home / 16,587.27-22,919.57-13,257.56

Finding the Fourth Proportional to 16,587.27, 22,919.57 and 13,257.56

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Solution

The fourth proportional to 16,587.27, 22,919.57 and 13,257.56 is: 18,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.27 : 22,919.57 = 13,257.56 : x
  2. Step 2: Convert to fraction form
    16,587.27/22,919.57 = 13,257.56/x
  3. Step 3: Cross multiply
    16,587.27x = 22,919.57 × 13,257.56
  4. Step 4: Simplify right side
    16,587.27x = 303,857,393.56
  5. Step 5: Solve for x
    x = 303,857,393.56/16,587.27
  6. Step 6: Final answer
    x = 18,318.71

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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.