Home / 16,801.40-23,185.76-11,763.79

Finding the Fourth Proportional to 16,801.40, 23,185.76 and 11,763.79

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Solution

The fourth proportional to 16,801.40, 23,185.76 and 11,763.79 is: 16,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.40 : 23,185.76 = 11,763.79 : x
  2. Step 2: Convert to fraction form
    16,801.40/23,185.76 = 11,763.79/x
  3. Step 3: Cross multiply
    16,801.40x = 23,185.76 × 11,763.79
  4. Step 4: Simplify right side
    16,801.40x = 272,752,294.85
  5. Step 5: Solve for x
    x = 272,752,294.85/16,801.40
  6. Step 6: Final answer
    x = 16,233.90

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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.