Home / 23,160.15-31,961.03-13,088.61

Finding the Fourth Proportional to 23,160.15, 31,961.03 and 13,088.61

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Solution

The fourth proportional to 23,160.15, 31,961.03 and 13,088.61 is: 18,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.15 : 31,961.03 = 13,088.61 : x
  2. Step 2: Convert to fraction form
    23,160.15/31,961.03 = 13,088.61/x
  3. Step 3: Cross multiply
    23,160.15x = 31,961.03 × 13,088.61
  4. Step 4: Simplify right side
    23,160.15x = 418,325,391.43
  5. Step 5: Solve for x
    x = 418,325,391.43/23,160.15
  6. Step 6: Final answer
    x = 18,062.29

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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.