Home / 13,226.24-18,251.06-7,257.90

Finding the Fourth Proportional to 13,226.24, 18,251.06 and 7,257.90

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Solution

The fourth proportional to 13,226.24, 18,251.06 and 7,257.90 is: 10,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.24 : 18,251.06 = 7,257.90 : x
  2. Step 2: Convert to fraction form
    13,226.24/18,251.06 = 7,257.90/x
  3. Step 3: Cross multiply
    13,226.24x = 18,251.06 × 7,257.90
  4. Step 4: Simplify right side
    13,226.24x = 132,464,368.37
  5. Step 5: Solve for x
    x = 132,464,368.37/13,226.24
  6. Step 6: Final answer
    x = 10,015.27

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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.