Home / 18,344.33-27,521.05-5,196.81

Finding the Fourth Proportional to 18,344.33, 27,521.05 and 5,196.81

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Solution

The fourth proportional to 18,344.33, 27,521.05 and 5,196.81 is: 7,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.33 : 27,521.05 = 5,196.81 : x
  2. Step 2: Convert to fraction form
    18,344.33/27,521.05 = 5,196.81/x
  3. Step 3: Cross multiply
    18,344.33x = 27,521.05 × 5,196.81
  4. Step 4: Simplify right side
    18,344.33x = 143,021,767.81
  5. Step 5: Solve for x
    x = 143,021,767.81/18,344.33
  6. Step 6: Final answer
    x = 7,796.51

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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.