Home / 13,392.54-20,087.10-3,532.56

Finding the Fourth Proportional to 13,392.54, 20,087.10 and 3,532.56

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Solution

The fourth proportional to 13,392.54, 20,087.10 and 3,532.56 is: 5,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.54 : 20,087.10 = 3,532.56 : x
  2. Step 2: Convert to fraction form
    13,392.54/20,087.10 = 3,532.56/x
  3. Step 3: Cross multiply
    13,392.54x = 20,087.10 × 3,532.56
  4. Step 4: Simplify right side
    13,392.54x = 70,958,885.98
  5. Step 5: Solve for x
    x = 70,958,885.98/13,392.54
  6. Step 6: Final answer
    x = 5,298.39

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1.5x scale

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.