Home / 19,725.99-29,585.70-5,871.75

Finding the Fourth Proportional to 19,725.99, 29,585.70 and 5,871.75

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Solution

The fourth proportional to 19,725.99, 29,585.70 and 5,871.75 is: 8,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.99 : 29,585.70 = 5,871.75 : x
  2. Step 2: Convert to fraction form
    19,725.99/29,585.70 = 5,871.75/x
  3. Step 3: Cross multiply
    19,725.99x = 29,585.70 × 5,871.75
  4. Step 4: Simplify right side
    19,725.99x = 173,719,833.98
  5. Step 5: Solve for x
    x = 173,719,833.98/19,725.99
  6. Step 6: Final answer
    x = 8,806.65

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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.