Home / 17,788.56-24,551.61-11,728.17

Finding the Fourth Proportional to 17,788.56, 24,551.61 and 11,728.17

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Solution

The fourth proportional to 17,788.56, 24,551.61 and 11,728.17 is: 16,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.56 : 24,551.61 = 11,728.17 : x
  2. Step 2: Convert to fraction form
    17,788.56/24,551.61 = 11,728.17/x
  3. Step 3: Cross multiply
    17,788.56x = 24,551.61 × 11,728.17
  4. Step 4: Simplify right side
    17,788.56x = 287,945,455.85
  5. Step 5: Solve for x
    x = 287,945,455.85/17,788.56
  6. Step 6: Final answer
    x = 16,187.11

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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.