Home / 23,107.08-31,889.25-13,031.85

Finding the Fourth Proportional to 23,107.08, 31,889.25 and 13,031.85

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Solution

The fourth proportional to 23,107.08, 31,889.25 and 13,031.85 is: 17,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.08 : 31,889.25 = 13,031.85 : x
  2. Step 2: Convert to fraction form
    23,107.08/31,889.25 = 13,031.85/x
  3. Step 3: Cross multiply
    23,107.08x = 31,889.25 × 13,031.85
  4. Step 4: Simplify right side
    23,107.08x = 415,575,922.61
  5. Step 5: Solve for x
    x = 415,575,922.61/23,107.08
  6. Step 6: Final answer
    x = 17,984.79

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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.