Home / 19,797.02-29,690.33-7,320.60

Finding the Fourth Proportional to 19,797.02, 29,690.33 and 7,320.60

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Solution

The fourth proportional to 19,797.02, 29,690.33 and 7,320.60 is: 10,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.02 : 29,690.33 = 7,320.60 : x
  2. Step 2: Convert to fraction form
    19,797.02/29,690.33 = 7,320.60/x
  3. Step 3: Cross multiply
    19,797.02x = 29,690.33 × 7,320.60
  4. Step 4: Simplify right side
    19,797.02x = 217,350,993.20
  5. Step 5: Solve for x
    x = 217,350,993.20/19,797.02
  6. Step 6: Final answer
    x = 10,978.98

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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.