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Finding the Fourth Proportional to 15,952.92, 22,015.74 and 13,295.88

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Solution

The fourth proportional to 15,952.92, 22,015.74 and 13,295.88 is: 18,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.92 : 22,015.74 = 13,295.88 : x
  2. Step 2: Convert to fraction form
    15,952.92/22,015.74 = 13,295.88/x
  3. Step 3: Cross multiply
    15,952.92x = 22,015.74 × 13,295.88
  4. Step 4: Simplify right side
    15,952.92x = 292,718,637.15
  5. Step 5: Solve for x
    x = 292,718,637.15/15,952.92
  6. Step 6: Final answer
    x = 18,348.91

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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.