Home / 18,338.12-25,306.67-9,954.62

Finding the Fourth Proportional to 18,338.12, 25,306.67 and 9,954.62

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Solution

The fourth proportional to 18,338.12, 25,306.67 and 9,954.62 is: 13,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.12 : 25,306.67 = 9,954.62 : x
  2. Step 2: Convert to fraction form
    18,338.12/25,306.67 = 9,954.62/x
  3. Step 3: Cross multiply
    18,338.12x = 25,306.67 × 9,954.62
  4. Step 4: Simplify right side
    18,338.12x = 251,918,107.01
  5. Step 5: Solve for x
    x = 251,918,107.01/18,338.12
  6. Step 6: Final answer
    x = 13,737.40

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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.