Home / 15,474.96-21,355.56-8,401.41

Finding the Fourth Proportional to 15,474.96, 21,355.56 and 8,401.41

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Solution

The fourth proportional to 15,474.96, 21,355.56 and 8,401.41 is: 11,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.96 : 21,355.56 = 8,401.41 : x
  2. Step 2: Convert to fraction form
    15,474.96/21,355.56 = 8,401.41/x
  3. Step 3: Cross multiply
    15,474.96x = 21,355.56 × 8,401.41
  4. Step 4: Simplify right side
    15,474.96x = 179,416,815.34
  5. Step 5: Solve for x
    x = 179,416,815.34/15,474.96
  6. Step 6: Final answer
    x = 11,594.01

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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.