Home / 19,440.97-29,158.14-5,209.54

Finding the Fourth Proportional to 19,440.97, 29,158.14 and 5,209.54

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Solution

The fourth proportional to 19,440.97, 29,158.14 and 5,209.54 is: 7,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.97 : 29,158.14 = 5,209.54 : x
  2. Step 2: Convert to fraction form
    19,440.97/29,158.14 = 5,209.54/x
  3. Step 3: Cross multiply
    19,440.97x = 29,158.14 × 5,209.54
  4. Step 4: Simplify right side
    19,440.97x = 151,900,496.66
  5. Step 5: Solve for x
    x = 151,900,496.66/19,440.97
  6. Step 6: Final answer
    x = 7,813.42

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1.5x scale

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.