Home / 19,358.05-26,716.50-11,806.69

Finding the Fourth Proportional to 19,358.05, 26,716.50 and 11,806.69

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Solution

The fourth proportional to 19,358.05, 26,716.50 and 11,806.69 is: 16,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.05 : 26,716.50 = 11,806.69 : x
  2. Step 2: Convert to fraction form
    19,358.05/26,716.50 = 11,806.69/x
  3. Step 3: Cross multiply
    19,358.05x = 26,716.50 × 11,806.69
  4. Step 4: Simplify right side
    19,358.05x = 315,433,433.39
  5. Step 5: Solve for x
    x = 315,433,433.39/19,358.05
  6. Step 6: Final answer
    x = 16,294.69

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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.