Home / 13,226.20-18,252.17-7,924.10

Finding the Fourth Proportional to 13,226.20, 18,252.17 and 7,924.10

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Solution

The fourth proportional to 13,226.20, 18,252.17 and 7,924.10 is: 10,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.20 : 18,252.17 = 7,924.10 : x
  2. Step 2: Convert to fraction form
    13,226.20/18,252.17 = 7,924.10/x
  3. Step 3: Cross multiply
    13,226.20x = 18,252.17 × 7,924.10
  4. Step 4: Simplify right side
    13,226.20x = 144,631,919.13
  5. Step 5: Solve for x
    x = 144,631,919.13/13,226.20
  6. Step 6: Final answer
    x = 10,935.26

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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.