Home / 16,770.24-23,143.68-9,317.76

Finding the Fourth Proportional to 16,770.24, 23,143.68 and 9,317.76

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Solution

The fourth proportional to 16,770.24, 23,143.68 and 9,317.76 is: 12,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.24 : 23,143.68 = 9,317.76 : x
  2. Step 2: Convert to fraction form
    16,770.24/23,143.68 = 9,317.76/x
  3. Step 3: Cross multiply
    16,770.24x = 23,143.68 × 9,317.76
  4. Step 4: Simplify right side
    16,770.24x = 215,647,255.76
  5. Step 5: Solve for x
    x = 215,647,255.76/16,770.24
  6. Step 6: Final answer
    x = 12,858.92

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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.