Home / 17,711.37-26,567.11-7,181.57

Finding the Fourth Proportional to 17,711.37, 26,567.11 and 7,181.57

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Solution

The fourth proportional to 17,711.37, 26,567.11 and 7,181.57 is: 10,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.37 : 26,567.11 = 7,181.57 : x
  2. Step 2: Convert to fraction form
    17,711.37/26,567.11 = 7,181.57/x
  3. Step 3: Cross multiply
    17,711.37x = 26,567.11 × 7,181.57
  4. Step 4: Simplify right side
    17,711.37x = 190,793,560.16
  5. Step 5: Solve for x
    x = 190,793,560.16/17,711.37
  6. Step 6: Final answer
    x = 10,772.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.