Home / 16,749.45-23,118.39-9,679.95

Finding the Fourth Proportional to 16,749.45, 23,118.39 and 9,679.95

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Solution

The fourth proportional to 16,749.45, 23,118.39 and 9,679.95 is: 13,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.45 : 23,118.39 = 9,679.95 : x
  2. Step 2: Convert to fraction form
    16,749.45/23,118.39 = 9,679.95/x
  3. Step 3: Cross multiply
    16,749.45x = 23,118.39 × 9,679.95
  4. Step 4: Simplify right side
    16,749.45x = 223,784,859.28
  5. Step 5: Solve for x
    x = 223,784,859.28/16,749.45
  6. Step 6: Final answer
    x = 13,360.73

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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.