Home / 23,729.18-32,745.78-13,118.58

Finding the Fourth Proportional to 23,729.18, 32,745.78 and 13,118.58

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Solution

The fourth proportional to 23,729.18, 32,745.78 and 13,118.58 is: 18,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.18 : 32,745.78 = 13,118.58 : x
  2. Step 2: Convert to fraction form
    23,729.18/32,745.78 = 13,118.58/x
  3. Step 3: Cross multiply
    23,729.18x = 32,745.78 × 13,118.58
  4. Step 4: Simplify right side
    23,729.18x = 429,578,134.59
  5. Step 5: Solve for x
    x = 429,578,134.59/23,729.18
  6. Step 6: Final answer
    x = 18,103.37

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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.