Home / 15,960.75-22,025.44-8,887.02

Finding the Fourth Proportional to 15,960.75, 22,025.44 and 8,887.02

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Solution

The fourth proportional to 15,960.75, 22,025.44 and 8,887.02 is: 12,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.75 : 22,025.44 = 8,887.02 : x
  2. Step 2: Convert to fraction form
    15,960.75/22,025.44 = 8,887.02/x
  3. Step 3: Cross multiply
    15,960.75x = 22,025.44 × 8,887.02
  4. Step 4: Simplify right side
    15,960.75x = 195,740,525.79
  5. Step 5: Solve for x
    x = 195,740,525.79/15,960.75
  6. Step 6: Final answer
    x = 12,263.87

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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.