Home / 23,186.44-31,986.66-13,751.56

Finding the Fourth Proportional to 23,186.44, 31,986.66 and 13,751.56

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Solution

The fourth proportional to 23,186.44, 31,986.66 and 13,751.56 is: 18,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.44 : 31,986.66 = 13,751.56 : x
  2. Step 2: Convert to fraction form
    23,186.44/31,986.66 = 13,751.56/x
  3. Step 3: Cross multiply
    23,186.44x = 31,986.66 × 13,751.56
  4. Step 4: Simplify right side
    23,186.44x = 439,866,474.19
  5. Step 5: Solve for x
    x = 439,866,474.19/23,186.44
  6. Step 6: Final answer
    x = 18,970.85

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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.