Home / 23,115.45-31,899.30-13,046.04

Finding the Fourth Proportional to 23,115.45, 31,899.30 and 13,046.04

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Solution

The fourth proportional to 23,115.45, 31,899.30 and 13,046.04 is: 18,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.45 : 31,899.30 = 13,046.04 : x
  2. Step 2: Convert to fraction form
    23,115.45/31,899.30 = 13,046.04/x
  3. Step 3: Cross multiply
    23,115.45x = 31,899.30 × 13,046.04
  4. Step 4: Simplify right side
    23,115.45x = 416,159,543.77
  5. Step 5: Solve for x
    x = 416,159,543.77/23,115.45
  6. Step 6: Final answer
    x = 18,003.52

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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.