Home / 18,631.74-27,948.94-6,151.26

Finding the Fourth Proportional to 18,631.74, 27,948.94 and 6,151.26

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Solution

The fourth proportional to 18,631.74, 27,948.94 and 6,151.26 is: 9,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.74 : 27,948.94 = 6,151.26 : x
  2. Step 2: Convert to fraction form
    18,631.74/27,948.94 = 6,151.26/x
  3. Step 3: Cross multiply
    18,631.74x = 27,948.94 × 6,151.26
  4. Step 4: Simplify right side
    18,631.74x = 171,921,196.66
  5. Step 5: Solve for x
    x = 171,921,196.66/18,631.74
  6. Step 6: Final answer
    x = 9,227.33

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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.