Home / 15,448.17-21,317.22-8,734.44

Finding the Fourth Proportional to 15,448.17, 21,317.22 and 8,734.44

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Solution

The fourth proportional to 15,448.17, 21,317.22 and 8,734.44 is: 12,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.17 : 21,317.22 = 8,734.44 : x
  2. Step 2: Convert to fraction form
    15,448.17/21,317.22 = 8,734.44/x
  3. Step 3: Cross multiply
    15,448.17x = 21,317.22 × 8,734.44
  4. Step 4: Simplify right side
    15,448.17x = 186,193,979.06
  5. Step 5: Solve for x
    x = 186,193,979.06/15,448.17
  6. Step 6: Final answer
    x = 12,052.82

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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.