Home / 13,226.10-18,250.62-7,562.31

Finding the Fourth Proportional to 13,226.10, 18,250.62 and 7,562.31

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Solution

The fourth proportional to 13,226.10, 18,250.62 and 7,562.31 is: 10,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.10 : 18,250.62 = 7,562.31 : x
  2. Step 2: Convert to fraction form
    13,226.10/18,250.62 = 7,562.31/x
  3. Step 3: Cross multiply
    13,226.10x = 18,250.62 × 7,562.31
  4. Step 4: Simplify right side
    13,226.10x = 138,016,846.13
  5. Step 5: Solve for x
    x = 138,016,846.13/13,226.10
  6. Step 6: Final answer
    x = 10,435.19

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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.