Home / 12,626.40-18,936.84-7,350.24

Finding the Fourth Proportional to 12,626.40, 18,936.84 and 7,350.24

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Solution

The fourth proportional to 12,626.40, 18,936.84 and 7,350.24 is: 11,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.40 : 18,936.84 = 7,350.24 : x
  2. Step 2: Convert to fraction form
    12,626.40/18,936.84 = 7,350.24/x
  3. Step 3: Cross multiply
    12,626.40x = 18,936.84 × 7,350.24
  4. Step 4: Simplify right side
    12,626.40x = 139,190,318.84
  5. Step 5: Solve for x
    x = 139,190,318.84/12,626.40
  6. Step 6: Final answer
    x = 11,023.75

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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.