Home / 19,811.97-29,722.56-5,773.49

Finding the Fourth Proportional to 19,811.97, 29,722.56 and 5,773.49

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Solution

The fourth proportional to 19,811.97, 29,722.56 and 5,773.49 is: 8,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.97 : 29,722.56 = 5,773.49 : x
  2. Step 2: Convert to fraction form
    19,811.97/29,722.56 = 5,773.49/x
  3. Step 3: Cross multiply
    19,811.97x = 29,722.56 × 5,773.49
  4. Step 4: Simplify right side
    19,811.97x = 171,602,754.32
  5. Step 5: Solve for x
    x = 171,602,754.32/19,811.97
  6. Step 6: Final answer
    x = 8,661.57

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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.