Home / 19,447.71-29,166.57-5,404.47

Finding the Fourth Proportional to 19,447.71, 29,166.57 and 5,404.47

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Solution

The fourth proportional to 19,447.71, 29,166.57 and 5,404.47 is: 8,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.71 : 29,166.57 = 5,404.47 : x
  2. Step 2: Convert to fraction form
    19,447.71/29,166.57 = 5,404.47/x
  3. Step 3: Cross multiply
    19,447.71x = 29,166.57 × 5,404.47
  4. Step 4: Simplify right side
    19,447.71x = 157,629,852.57
  5. Step 5: Solve for x
    x = 157,629,852.57/19,447.71
  6. Step 6: Final answer
    x = 8,105.32

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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.