Home / 23,125.80-31,911.30-13,052.28

Finding the Fourth Proportional to 23,125.80, 31,911.30 and 13,052.28

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Solution

The fourth proportional to 23,125.80, 31,911.30 and 13,052.28 is: 18,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.80 : 31,911.30 = 13,052.28 : x
  2. Step 2: Convert to fraction form
    23,125.80/31,911.30 = 13,052.28/x
  3. Step 3: Cross multiply
    23,125.80x = 31,911.30 × 13,052.28
  4. Step 4: Simplify right side
    23,125.80x = 416,515,222.76
  5. Step 5: Solve for x
    x = 416,515,222.76/23,125.80
  6. Step 6: Final answer
    x = 18,010.85

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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.