Home / 15,983.15-22,056.41-9,268.61

Finding the Fourth Proportional to 15,983.15, 22,056.41 and 9,268.61

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Solution

The fourth proportional to 15,983.15, 22,056.41 and 9,268.61 is: 12,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.15 : 22,056.41 = 9,268.61 : x
  2. Step 2: Convert to fraction form
    15,983.15/22,056.41 = 9,268.61/x
  3. Step 3: Cross multiply
    15,983.15x = 22,056.41 × 9,268.61
  4. Step 4: Simplify right side
    15,983.15x = 204,432,175.18
  5. Step 5: Solve for x
    x = 204,432,175.18/15,983.15
  6. Step 6: Final answer
    x = 12,790.48

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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.