Home / 18,376.22-25,359.46-13,768.85

Finding the Fourth Proportional to 18,376.22, 25,359.46 and 13,768.85

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Solution

The fourth proportional to 18,376.22, 25,359.46 and 13,768.85 is: 19,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.22 : 25,359.46 = 13,768.85 : x
  2. Step 2: Convert to fraction form
    18,376.22/25,359.46 = 13,768.85/x
  3. Step 3: Cross multiply
    18,376.22x = 25,359.46 × 13,768.85
  4. Step 4: Simplify right side
    18,376.22x = 349,170,629.80
  5. Step 5: Solve for x
    x = 349,170,629.80/18,376.22
  6. Step 6: Final answer
    x = 19,001.22

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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.