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Finding the Fourth Proportional to 15,751.26, 21,734.73 and 9,037.17

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Solution

The fourth proportional to 15,751.26, 21,734.73 and 9,037.17 is: 12,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.26 : 21,734.73 = 9,037.17 : x
  2. Step 2: Convert to fraction form
    15,751.26/21,734.73 = 9,037.17/x
  3. Step 3: Cross multiply
    15,751.26x = 21,734.73 × 9,037.17
  4. Step 4: Simplify right side
    15,751.26x = 196,420,449.91
  5. Step 5: Solve for x
    x = 196,420,449.91/15,751.26
  6. Step 6: Final answer
    x = 12,470.14

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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.