Home / 19,837.50-27,375.94-10,885.17

Finding the Fourth Proportional to 19,837.50, 27,375.94 and 10,885.17

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Solution

The fourth proportional to 19,837.50, 27,375.94 and 10,885.17 is: 15,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.50 : 27,375.94 = 10,885.17 : x
  2. Step 2: Convert to fraction form
    19,837.50/27,375.94 = 10,885.17/x
  3. Step 3: Cross multiply
    19,837.50x = 27,375.94 × 10,885.17
  4. Step 4: Simplify right side
    19,837.50x = 297,991,760.81
  5. Step 5: Solve for x
    x = 297,991,760.81/19,837.50
  6. Step 6: Final answer
    x = 15,021.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.