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Finding the Fourth Proportional to 15,952.68, 22,014.63 and 8,879.13

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Solution

The fourth proportional to 15,952.68, 22,014.63 and 8,879.13 is: 12,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.68 : 22,014.63 = 8,879.13 : x
  2. Step 2: Convert to fraction form
    15,952.68/22,014.63 = 8,879.13/x
  3. Step 3: Cross multiply
    15,952.68x = 22,014.63 × 8,879.13
  4. Step 4: Simplify right side
    15,952.68x = 195,470,761.67
  5. Step 5: Solve for x
    x = 195,470,761.67/15,952.68
  6. Step 6: Final answer
    x = 12,253.16

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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.