Home / 15,506.48-21,399.68-8,792.36

Finding the Fourth Proportional to 15,506.48, 21,399.68 and 8,792.36

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Solution

The fourth proportional to 15,506.48, 21,399.68 and 8,792.36 is: 12,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.48 : 21,399.68 = 8,792.36 : x
  2. Step 2: Convert to fraction form
    15,506.48/21,399.68 = 8,792.36/x
  3. Step 3: Cross multiply
    15,506.48x = 21,399.68 × 8,792.36
  4. Step 4: Simplify right side
    15,506.48x = 188,153,690.44
  5. Step 5: Solve for x
    x = 188,153,690.44/15,506.48
  6. Step 6: Final answer
    x = 12,133.88

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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.