Home / 16,286.93-22,472.31-9,916.85

Finding the Fourth Proportional to 16,286.93, 22,472.31 and 9,916.85

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Solution

The fourth proportional to 16,286.93, 22,472.31 and 9,916.85 is: 13,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.93 : 22,472.31 = 9,916.85 : x
  2. Step 2: Convert to fraction form
    16,286.93/22,472.31 = 9,916.85/x
  3. Step 3: Cross multiply
    16,286.93x = 22,472.31 × 9,916.85
  4. Step 4: Simplify right side
    16,286.93x = 222,854,415.06
  5. Step 5: Solve for x
    x = 222,854,415.06/16,286.93
  6. Step 6: Final answer
    x = 13,683.03

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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.