Home / 14,626.49-20,184.61-7,912.18

Finding the Fourth Proportional to 14,626.49, 20,184.61 and 7,912.18

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Solution

The fourth proportional to 14,626.49, 20,184.61 and 7,912.18 is: 10,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.49 : 20,184.61 = 7,912.18 : x
  2. Step 2: Convert to fraction form
    14,626.49/20,184.61 = 7,912.18/x
  3. Step 3: Cross multiply
    14,626.49x = 20,184.61 × 7,912.18
  4. Step 4: Simplify right side
    14,626.49x = 159,704,197.31
  5. Step 5: Solve for x
    x = 159,704,197.31/14,626.49
  6. Step 6: Final answer
    x = 10,918.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.