Home / 23,729.51-32,745.12-13,117.70

Finding the Fourth Proportional to 23,729.51, 32,745.12 and 13,117.70

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Solution

The fourth proportional to 23,729.51, 32,745.12 and 13,117.70 is: 18,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.51 : 32,745.12 = 13,117.70 : x
  2. Step 2: Convert to fraction form
    23,729.51/32,745.12 = 13,117.70/x
  3. Step 3: Cross multiply
    23,729.51x = 32,745.12 × 13,117.70
  4. Step 4: Simplify right side
    23,729.51x = 429,540,660.62
  5. Step 5: Solve for x
    x = 429,540,660.62/23,729.51
  6. Step 6: Final answer
    x = 18,101.54

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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.