Home / 19,806.02-29,711.46-7,323.92

Finding the Fourth Proportional to 19,806.02, 29,711.46 and 7,323.92

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Solution

The fourth proportional to 19,806.02, 29,711.46 and 7,323.92 is: 10,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.02 : 29,711.46 = 7,323.92 : x
  2. Step 2: Convert to fraction form
    19,806.02/29,711.46 = 7,323.92/x
  3. Step 3: Cross multiply
    19,806.02x = 29,711.46 × 7,323.92
  4. Step 4: Simplify right side
    19,806.02x = 217,604,356.12
  5. Step 5: Solve for x
    x = 217,604,356.12/19,806.02
  6. Step 6: Final answer
    x = 10,986.78

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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.