Home / 19,571.79-29,359.28-5,531.94

Finding the Fourth Proportional to 19,571.79, 29,359.28 and 5,531.94

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Solution

The fourth proportional to 19,571.79, 29,359.28 and 5,531.94 is: 8,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.79 : 29,359.28 = 5,531.94 : x
  2. Step 2: Convert to fraction form
    19,571.79/29,359.28 = 5,531.94/x
  3. Step 3: Cross multiply
    19,571.79x = 29,359.28 × 5,531.94
  4. Step 4: Simplify right side
    19,571.79x = 162,413,747.74
  5. Step 5: Solve for x
    x = 162,413,747.74/19,571.79
  6. Step 6: Final answer
    x = 8,298.36

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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.