Home / 17,219.22-23,758.81-11,259.64

Finding the Fourth Proportional to 17,219.22, 23,758.81 and 11,259.64

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Solution

The fourth proportional to 17,219.22, 23,758.81 and 11,259.64 is: 15,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.22 : 23,758.81 = 11,259.64 : x
  2. Step 2: Convert to fraction form
    17,219.22/23,758.81 = 11,259.64/x
  3. Step 3: Cross multiply
    17,219.22x = 23,758.81 × 11,259.64
  4. Step 4: Simplify right side
    17,219.22x = 267,515,647.43
  5. Step 5: Solve for x
    x = 267,515,647.43/17,219.22
  6. Step 6: Final answer
    x = 15,535.87

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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.