Home / 12,331.87-18,500.03-3,567.26

Finding the Fourth Proportional to 12,331.87, 18,500.03 and 3,567.26

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Solution

The fourth proportional to 12,331.87, 18,500.03 and 3,567.26 is: 5,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.87 : 18,500.03 = 3,567.26 : x
  2. Step 2: Convert to fraction form
    12,331.87/18,500.03 = 3,567.26/x
  3. Step 3: Cross multiply
    12,331.87x = 18,500.03 × 3,567.26
  4. Step 4: Simplify right side
    12,331.87x = 65,994,417.02
  5. Step 5: Solve for x
    x = 65,994,417.02/12,331.87
  6. Step 6: Final answer
    x = 5,351.53

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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.