Home / 19,806.51-27,332.99-11,850.62

Finding the Fourth Proportional to 19,806.51, 27,332.99 and 11,850.62

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Solution

The fourth proportional to 19,806.51, 27,332.99 and 11,850.62 is: 16,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.51 : 27,332.99 = 11,850.62 : x
  2. Step 2: Convert to fraction form
    19,806.51/27,332.99 = 11,850.62/x
  3. Step 3: Cross multiply
    19,806.51x = 27,332.99 × 11,850.62
  4. Step 4: Simplify right side
    19,806.51x = 323,912,682.04
  5. Step 5: Solve for x
    x = 323,912,682.04/19,806.51
  6. Step 6: Final answer
    x = 16,353.85

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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.