Home / 18,329.03-25,294.06-9,945.53

Finding the Fourth Proportional to 18,329.03, 25,294.06 and 9,945.53

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Solution

The fourth proportional to 18,329.03, 25,294.06 and 9,945.53 is: 13,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.03 : 25,294.06 = 9,945.53 : x
  2. Step 2: Convert to fraction form
    18,329.03/25,294.06 = 9,945.53/x
  3. Step 3: Cross multiply
    18,329.03x = 25,294.06 × 9,945.53
  4. Step 4: Simplify right side
    18,329.03x = 251,562,920.65
  5. Step 5: Solve for x
    x = 251,562,920.65/18,329.03
  6. Step 6: Final answer
    x = 13,724.83

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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.