Home / 14,028.24-19,357.61-7,740.21

Finding the Fourth Proportional to 14,028.24, 19,357.61 and 7,740.21

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Solution

The fourth proportional to 14,028.24, 19,357.61 and 7,740.21 is: 10,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.24 : 19,357.61 = 7,740.21 : x
  2. Step 2: Convert to fraction form
    14,028.24/19,357.61 = 7,740.21/x
  3. Step 3: Cross multiply
    14,028.24x = 19,357.61 × 7,740.21
  4. Step 4: Simplify right side
    14,028.24x = 149,831,927.80
  5. Step 5: Solve for x
    x = 149,831,927.80/14,028.24
  6. Step 6: Final answer
    x = 10,680.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.