Home / 18,255.72-27,363.60-7,160.52

Finding the Fourth Proportional to 18,255.72, 27,363.60 and 7,160.52

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Solution

The fourth proportional to 18,255.72, 27,363.60 and 7,160.52 is: 10,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.72 : 27,363.60 = 7,160.52 : x
  2. Step 2: Convert to fraction form
    18,255.72/27,363.60 = 7,160.52/x
  3. Step 3: Cross multiply
    18,255.72x = 27,363.60 × 7,160.52
  4. Step 4: Simplify right side
    18,255.72x = 195,937,605.07
  5. Step 5: Solve for x
    x = 195,937,605.07/18,255.72
  6. Step 6: Final answer
    x = 10,732.94

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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.