Home / 23,292.90-32,142.57-13,221.54

Finding the Fourth Proportional to 23,292.90, 32,142.57 and 13,221.54

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Solution

The fourth proportional to 23,292.90, 32,142.57 and 13,221.54 is: 18,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,292.90 : 32,142.57 = 13,221.54 : x
  2. Step 2: Convert to fraction form
    23,292.90/32,142.57 = 13,221.54/x
  3. Step 3: Cross multiply
    23,292.90x = 32,142.57 × 13,221.54
  4. Step 4: Simplify right side
    23,292.90x = 424,974,355.31
  5. Step 5: Solve for x
    x = 424,974,355.31/23,292.90
  6. Step 6: Final answer
    x = 18,244.81

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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.