Home / 23,728.68-32,745.09-13,118.08

Finding the Fourth Proportional to 23,728.68, 32,745.09 and 13,118.08

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Solution

The fourth proportional to 23,728.68, 32,745.09 and 13,118.08 is: 18,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.68 : 32,745.09 = 13,118.08 : x
  2. Step 2: Convert to fraction form
    23,728.68/32,745.09 = 13,118.08/x
  3. Step 3: Cross multiply
    23,728.68x = 32,745.09 × 13,118.08
  4. Step 4: Simplify right side
    23,728.68x = 429,552,710.23
  5. Step 5: Solve for x
    x = 429,552,710.23/23,728.68
  6. Step 6: Final answer
    x = 18,102.68

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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.