Home / 19,715.92-27,200.96-11,647.85

Finding the Fourth Proportional to 19,715.92, 27,200.96 and 11,647.85

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Solution

The fourth proportional to 19,715.92, 27,200.96 and 11,647.85 is: 16,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.92 : 27,200.96 = 11,647.85 : x
  2. Step 2: Convert to fraction form
    19,715.92/27,200.96 = 11,647.85/x
  3. Step 3: Cross multiply
    19,715.92x = 27,200.96 × 11,647.85
  4. Step 4: Simplify right side
    19,715.92x = 316,832,769.90
  5. Step 5: Solve for x
    x = 316,832,769.90/19,715.92
  6. Step 6: Final answer
    x = 16,069.89

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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.