Home / 19,819.06-29,747.07-10,465.99

Finding the Fourth Proportional to 19,819.06, 29,747.07 and 10,465.99

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Solution

The fourth proportional to 19,819.06, 29,747.07 and 10,465.99 is: 15,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.06 : 29,747.07 = 10,465.99 : x
  2. Step 2: Convert to fraction form
    19,819.06/29,747.07 = 10,465.99/x
  3. Step 3: Cross multiply
    19,819.06x = 29,747.07 × 10,465.99
  4. Step 4: Simplify right side
    19,819.06x = 311,332,537.15
  5. Step 5: Solve for x
    x = 311,332,537.15/19,819.06
  6. Step 6: Final answer
    x = 15,708.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.