Home / 23,036.12-31,791.45-12,965.52

Finding the Fourth Proportional to 23,036.12, 31,791.45 and 12,965.52

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Solution

The fourth proportional to 23,036.12, 31,791.45 and 12,965.52 is: 17,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.12 : 31,791.45 = 12,965.52 : x
  2. Step 2: Convert to fraction form
    23,036.12/31,791.45 = 12,965.52/x
  3. Step 3: Cross multiply
    23,036.12x = 31,791.45 × 12,965.52
  4. Step 4: Simplify right side
    23,036.12x = 412,192,680.80
  5. Step 5: Solve for x
    x = 412,192,680.80/23,036.12
  6. Step 6: Final answer
    x = 17,893.32

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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.