Home / 18,196.11-27,250.43-10,381.23

Finding the Fourth Proportional to 18,196.11, 27,250.43 and 10,381.23

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Solution

The fourth proportional to 18,196.11, 27,250.43 and 10,381.23 is: 15,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.11 : 27,250.43 = 10,381.23 : x
  2. Step 2: Convert to fraction form
    18,196.11/27,250.43 = 10,381.23/x
  3. Step 3: Cross multiply
    18,196.11x = 27,250.43 × 10,381.23
  4. Step 4: Simplify right side
    18,196.11x = 282,892,929.52
  5. Step 5: Solve for x
    x = 282,892,929.52/18,196.11
  6. Step 6: Final answer
    x = 15,546.89

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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.