Home / 16,764.42-23,134.80-9,107.70

Finding the Fourth Proportional to 16,764.42, 23,134.80 and 9,107.70

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Solution

The fourth proportional to 16,764.42, 23,134.80 and 9,107.70 is: 12,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.42 : 23,134.80 = 9,107.70 : x
  2. Step 2: Convert to fraction form
    16,764.42/23,134.80 = 9,107.70/x
  3. Step 3: Cross multiply
    16,764.42x = 23,134.80 × 9,107.70
  4. Step 4: Simplify right side
    16,764.42x = 210,704,817.96
  5. Step 5: Solve for x
    x = 210,704,817.96/16,764.42
  6. Step 6: Final answer
    x = 12,568.57

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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.