Home / 18,333.12-27,473.76-9,105.60

Finding the Fourth Proportional to 18,333.12, 27,473.76 and 9,105.60

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Solution

The fourth proportional to 18,333.12, 27,473.76 and 9,105.60 is: 13,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.12 : 27,473.76 = 9,105.60 : x
  2. Step 2: Convert to fraction form
    18,333.12/27,473.76 = 9,105.60/x
  3. Step 3: Cross multiply
    18,333.12x = 27,473.76 × 9,105.60
  4. Step 4: Simplify right side
    18,333.12x = 250,165,069.06
  5. Step 5: Solve for x
    x = 250,165,069.06/18,333.12
  6. Step 6: Final answer
    x = 13,645.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.