Home / 23,638.24-32,620.78-12,883.04

Finding the Fourth Proportional to 23,638.24, 32,620.78 and 12,883.04

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Solution

The fourth proportional to 23,638.24, 32,620.78 and 12,883.04 is: 17,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,638.24 : 32,620.78 = 12,883.04 : x
  2. Step 2: Convert to fraction form
    23,638.24/32,620.78 = 12,883.04/x
  3. Step 3: Cross multiply
    23,638.24x = 32,620.78 × 12,883.04
  4. Step 4: Simplify right side
    23,638.24x = 420,254,813.57
  5. Step 5: Solve for x
    x = 420,254,813.57/23,638.24
  6. Step 6: Final answer
    x = 17,778.60

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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.