Home / 16,935.90-23,372.66-9,382.55

Finding the Fourth Proportional to 16,935.90, 23,372.66 and 9,382.55

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Solution

The fourth proportional to 16,935.90, 23,372.66 and 9,382.55 is: 12,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.90 : 23,372.66 = 9,382.55 : x
  2. Step 2: Convert to fraction form
    16,935.90/23,372.66 = 9,382.55/x
  3. Step 3: Cross multiply
    16,935.90x = 23,372.66 × 9,382.55
  4. Step 4: Simplify right side
    16,935.90x = 219,295,151.08
  5. Step 5: Solve for x
    x = 219,295,151.08/16,935.90
  6. Step 6: Final answer
    x = 12,948.54

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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.