Home / 17,311.32-25,966.98-11,159.64

Finding the Fourth Proportional to 17,311.32, 25,966.98 and 11,159.64

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Solution

The fourth proportional to 17,311.32, 25,966.98 and 11,159.64 is: 16,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.32 : 25,966.98 = 11,159.64 : x
  2. Step 2: Convert to fraction form
    17,311.32/25,966.98 = 11,159.64/x
  3. Step 3: Cross multiply
    17,311.32x = 25,966.98 × 11,159.64
  4. Step 4: Simplify right side
    17,311.32x = 289,782,148.69
  5. Step 5: Solve for x
    x = 289,782,148.69/17,311.32
  6. Step 6: Final answer
    x = 16,739.46

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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.