Home / 15,960.82-22,025.64-8,887.12

Finding the Fourth Proportional to 15,960.82, 22,025.64 and 8,887.12

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Solution

The fourth proportional to 15,960.82, 22,025.64 and 8,887.12 is: 12,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.82 : 22,025.64 = 8,887.12 : x
  2. Step 2: Convert to fraction form
    15,960.82/22,025.64 = 8,887.12/x
  3. Step 3: Cross multiply
    15,960.82x = 22,025.64 × 8,887.12
  4. Step 4: Simplify right side
    15,960.82x = 195,744,505.76
  5. Step 5: Solve for x
    x = 195,744,505.76/15,960.82
  6. Step 6: Final answer
    x = 12,264.06

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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.