Home / 15,568.12-21,484.41-8,494.96

Finding the Fourth Proportional to 15,568.12, 21,484.41 and 8,494.96

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Solution

The fourth proportional to 15,568.12, 21,484.41 and 8,494.96 is: 11,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.12 : 21,484.41 = 8,494.96 : x
  2. Step 2: Convert to fraction form
    15,568.12/21,484.41 = 8,494.96/x
  3. Step 3: Cross multiply
    15,568.12x = 21,484.41 × 8,494.96
  4. Step 4: Simplify right side
    15,568.12x = 182,509,203.57
  5. Step 5: Solve for x
    x = 182,509,203.57/15,568.12
  6. Step 6: Final answer
    x = 11,723.27

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Why These Related Problems?

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