Home / 16,223.73-22,390.07-9,151.62

Finding the Fourth Proportional to 16,223.73, 22,390.07 and 9,151.62

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Solution

The fourth proportional to 16,223.73, 22,390.07 and 9,151.62 is: 12,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.73 : 22,390.07 = 9,151.62 : x
  2. Step 2: Convert to fraction form
    16,223.73/22,390.07 = 9,151.62/x
  3. Step 3: Cross multiply
    16,223.73x = 22,390.07 × 9,151.62
  4. Step 4: Simplify right side
    16,223.73x = 204,905,366.66
  5. Step 5: Solve for x
    x = 204,905,366.66/16,223.73
  6. Step 6: Final answer
    x = 12,629.98

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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.