Home / 19,806.02-29,709.71-7,329.18

Finding the Fourth Proportional to 19,806.02, 29,709.71 and 7,329.18

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Solution

The fourth proportional to 19,806.02, 29,709.71 and 7,329.18 is: 10,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.02 : 29,709.71 = 7,329.18 : x
  2. Step 2: Convert to fraction form
    19,806.02/29,709.71 = 7,329.18/x
  3. Step 3: Cross multiply
    19,806.02x = 29,709.71 × 7,329.18
  4. Step 4: Simplify right side
    19,806.02x = 217,747,935.20
  5. Step 5: Solve for x
    x = 217,747,935.20/19,806.02
  6. Step 6: Final answer
    x = 10,994.03

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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.