Home / 23,895.53-32,974.56-13,140.20

Finding the Fourth Proportional to 23,895.53, 32,974.56 and 13,140.20

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Solution

The fourth proportional to 23,895.53, 32,974.56 and 13,140.20 is: 18,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,895.53 : 32,974.56 = 13,140.20 : x
  2. Step 2: Convert to fraction form
    23,895.53/32,974.56 = 13,140.20/x
  3. Step 3: Cross multiply
    23,895.53x = 32,974.56 × 13,140.20
  4. Step 4: Simplify right side
    23,895.53x = 433,292,321.37
  5. Step 5: Solve for x
    x = 433,292,321.37/23,895.53
  6. Step 6: Final answer
    x = 18,132.78

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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.