Home / 23,188.44-31,989.42-13,753.56

Finding the Fourth Proportional to 23,188.44, 31,989.42 and 13,753.56

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Solution

The fourth proportional to 23,188.44, 31,989.42 and 13,753.56 is: 18,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.44 : 31,989.42 = 13,753.56 : x
  2. Step 2: Convert to fraction form
    23,188.44/31,989.42 = 13,753.56/x
  3. Step 3: Cross multiply
    23,188.44x = 31,989.42 × 13,753.56
  4. Step 4: Simplify right side
    23,188.44x = 439,968,407.34
  5. Step 5: Solve for x
    x = 439,968,407.34/23,188.44
  6. Step 6: Final answer
    x = 18,973.61

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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.