Home / 23,687.36-32,687.60-13,076.88

Finding the Fourth Proportional to 23,687.36, 32,687.60 and 13,076.88

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Solution

The fourth proportional to 23,687.36, 32,687.60 and 13,076.88 is: 18,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.36 : 32,687.60 = 13,076.88 : x
  2. Step 2: Convert to fraction form
    23,687.36/32,687.60 = 13,076.88/x
  3. Step 3: Cross multiply
    23,687.36x = 32,687.60 × 13,076.88
  4. Step 4: Simplify right side
    23,687.36x = 427,451,822.69
  5. Step 5: Solve for x
    x = 427,451,822.69/23,687.36
  6. Step 6: Final answer
    x = 18,045.57

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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.