Home / 13,392.24-20,100.80-6,823.36

Finding the Fourth Proportional to 13,392.24, 20,100.80 and 6,823.36

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Solution

The fourth proportional to 13,392.24, 20,100.80 and 6,823.36 is: 10,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.24 : 20,100.80 = 6,823.36 : x
  2. Step 2: Convert to fraction form
    13,392.24/20,100.80 = 6,823.36/x
  3. Step 3: Cross multiply
    13,392.24x = 20,100.80 × 6,823.36
  4. Step 4: Simplify right side
    13,392.24x = 137,154,994.69
  5. Step 5: Solve for x
    x = 137,154,994.69/13,392.24
  6. Step 6: Final answer
    x = 10,241.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.