Home / 16,211.11-22,389.79-10,896.70

Finding the Fourth Proportional to 16,211.11, 22,389.79 and 10,896.70

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Solution

The fourth proportional to 16,211.11, 22,389.79 and 10,896.70 is: 15,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.11 : 22,389.79 = 10,896.70 : x
  2. Step 2: Convert to fraction form
    16,211.11/22,389.79 = 10,896.70/x
  3. Step 3: Cross multiply
    16,211.11x = 22,389.79 × 10,896.70
  4. Step 4: Simplify right side
    16,211.11x = 243,974,824.69
  5. Step 5: Solve for x
    x = 243,974,824.69/16,211.11
  6. Step 6: Final answer
    x = 15,049.85

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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.