Home / 23,728.16-32,745.12-13,118.24

Finding the Fourth Proportional to 23,728.16, 32,745.12 and 13,118.24

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Solution

The fourth proportional to 23,728.16, 32,745.12 and 13,118.24 is: 18,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.16 : 32,745.12 = 13,118.24 : x
  2. Step 2: Convert to fraction form
    23,728.16/32,745.12 = 13,118.24/x
  3. Step 3: Cross multiply
    23,728.16x = 32,745.12 × 13,118.24
  4. Step 4: Simplify right side
    23,728.16x = 429,558,342.99
  5. Step 5: Solve for x
    x = 429,558,342.99/23,728.16
  6. Step 6: Final answer
    x = 18,103.31

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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.