Home / 13,325.96-19,989.66-3,465.30

Finding the Fourth Proportional to 13,325.96, 19,989.66 and 3,465.30

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Solution

The fourth proportional to 13,325.96, 19,989.66 and 3,465.30 is: 5,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.96 : 19,989.66 = 3,465.30 : x
  2. Step 2: Convert to fraction form
    13,325.96/19,989.66 = 3,465.30/x
  3. Step 3: Cross multiply
    13,325.96x = 19,989.66 × 3,465.30
  4. Step 4: Simplify right side
    13,325.96x = 69,270,168.80
  5. Step 5: Solve for x
    x = 69,270,168.80/13,325.96
  6. Step 6: Final answer
    x = 5,198.14

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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.