Home / 23,188.44-31,975.84-13,755.18

Finding the Fourth Proportional to 23,188.44, 31,975.84 and 13,755.18

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Solution

The fourth proportional to 23,188.44, 31,975.84 and 13,755.18 is: 18,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.44 : 31,975.84 = 13,755.18 : x
  2. Step 2: Convert to fraction form
    23,188.44/31,975.84 = 13,755.18/x
  3. Step 3: Cross multiply
    23,188.44x = 31,975.84 × 13,755.18
  4. Step 4: Simplify right side
    23,188.44x = 439,833,434.85
  5. Step 5: Solve for x
    x = 439,833,434.85/23,188.44
  6. Step 6: Final answer
    x = 18,967.79

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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.