Home / 27,885.14-41,842.05-18,531.59

Finding the Fourth Proportional to 27,885.14, 41,842.05 and 18,531.59

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Solution

The fourth proportional to 27,885.14, 41,842.05 and 18,531.59 is: 27,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.14 : 41,842.05 = 18,531.59 : x
  2. Step 2: Convert to fraction form
    27,885.14/41,842.05 = 18,531.59/x
  3. Step 3: Cross multiply
    27,885.14x = 41,842.05 × 18,531.59
  4. Step 4: Simplify right side
    27,885.14x = 775,399,715.36
  5. Step 5: Solve for x
    x = 775,399,715.36/27,885.14
  6. Step 6: Final answer
    x = 27,806.91

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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.