Home / 16,865.14-23,273.28-9,311.31

Finding the Fourth Proportional to 16,865.14, 23,273.28 and 9,311.31

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Solution

The fourth proportional to 16,865.14, 23,273.28 and 9,311.31 is: 12,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.14 : 23,273.28 = 9,311.31 : x
  2. Step 2: Convert to fraction form
    16,865.14/23,273.28 = 9,311.31/x
  3. Step 3: Cross multiply
    16,865.14x = 23,273.28 × 9,311.31
  4. Step 4: Simplify right side
    16,865.14x = 216,704,724.80
  5. Step 5: Solve for x
    x = 216,704,724.80/16,865.14
  6. Step 6: Final answer
    x = 12,849.27

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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.