Home / 18,327.03-25,290.72-9,943.53

Finding the Fourth Proportional to 18,327.03, 25,290.72 and 9,943.53

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Solution

The fourth proportional to 18,327.03, 25,290.72 and 9,943.53 is: 13,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.03 : 25,290.72 = 9,943.53 : x
  2. Step 2: Convert to fraction form
    18,327.03/25,290.72 = 9,943.53/x
  3. Step 3: Cross multiply
    18,327.03x = 25,290.72 × 9,943.53
  4. Step 4: Simplify right side
    18,327.03x = 251,479,033.04
  5. Step 5: Solve for x
    x = 251,479,033.04/18,327.03
  6. Step 6: Final answer
    x = 13,721.76

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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.