Home / 23,115.53-31,899.45-13,046.12

Finding the Fourth Proportional to 23,115.53, 31,899.45 and 13,046.12

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Solution

The fourth proportional to 23,115.53, 31,899.45 and 13,046.12 is: 18,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.53 : 31,899.45 = 13,046.12 : x
  2. Step 2: Convert to fraction form
    23,115.53/31,899.45 = 13,046.12/x
  3. Step 3: Cross multiply
    23,115.53x = 31,899.45 × 13,046.12
  4. Step 4: Simplify right side
    23,115.53x = 416,164,052.63
  5. Step 5: Solve for x
    x = 416,164,052.63/23,115.53
  6. Step 6: Final answer
    x = 18,003.66

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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.