Home / 18,110.85-27,155.67-7,569.51

Finding the Fourth Proportional to 18,110.85, 27,155.67 and 7,569.51

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Solution

The fourth proportional to 18,110.85, 27,155.67 and 7,569.51 is: 11,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.85 : 27,155.67 = 7,569.51 : x
  2. Step 2: Convert to fraction form
    18,110.85/27,155.67 = 7,569.51/x
  3. Step 3: Cross multiply
    18,110.85x = 27,155.67 × 7,569.51
  4. Step 4: Simplify right side
    18,110.85x = 205,555,115.62
  5. Step 5: Solve for x
    x = 205,555,115.62/18,110.85
  6. Step 6: Final answer
    x = 11,349.83

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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.