Home / 23,165.19-31,964.49-13,093.55

Finding the Fourth Proportional to 23,165.19, 31,964.49 and 13,093.55

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Solution

The fourth proportional to 23,165.19, 31,964.49 and 13,093.55 is: 18,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.19 : 31,964.49 = 13,093.55 : x
  2. Step 2: Convert to fraction form
    23,165.19/31,964.49 = 13,093.55/x
  3. Step 3: Cross multiply
    23,165.19x = 31,964.49 × 13,093.55
  4. Step 4: Simplify right side
    23,165.19x = 418,528,608.08
  5. Step 5: Solve for x
    x = 418,528,608.08/23,165.19
  6. Step 6: Final answer
    x = 18,067.13

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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.