Home / 19,436.09-29,148.26-5,392.71

Finding the Fourth Proportional to 19,436.09, 29,148.26 and 5,392.71

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Solution

The fourth proportional to 19,436.09, 29,148.26 and 5,392.71 is: 8,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.09 : 29,148.26 = 5,392.71 : x
  2. Step 2: Convert to fraction form
    19,436.09/29,148.26 = 5,392.71/x
  3. Step 3: Cross multiply
    19,436.09x = 29,148.26 × 5,392.71
  4. Step 4: Simplify right side
    19,436.09x = 157,188,086.22
  5. Step 5: Solve for x
    x = 157,188,086.22/19,436.09
  6. Step 6: Final answer
    x = 8,087.44

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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.