Home / 13,226.03-18,252.09-7,257.59

Finding the Fourth Proportional to 13,226.03, 18,252.09 and 7,257.59

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Solution

The fourth proportional to 13,226.03, 18,252.09 and 7,257.59 is: 10,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.03 : 18,252.09 = 7,257.59 : x
  2. Step 2: Convert to fraction form
    13,226.03/18,252.09 = 7,257.59/x
  3. Step 3: Cross multiply
    13,226.03x = 18,252.09 × 7,257.59
  4. Step 4: Simplify right side
    13,226.03x = 132,466,185.86
  5. Step 5: Solve for x
    x = 132,466,185.86/13,226.03
  6. Step 6: Final answer
    x = 10,015.57

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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.