Home / 16,764.67-23,135.15-9,107.88

Finding the Fourth Proportional to 16,764.67, 23,135.15 and 9,107.88

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Solution

The fourth proportional to 16,764.67, 23,135.15 and 9,107.88 is: 12,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.67 : 23,135.15 = 9,107.88 : x
  2. Step 2: Convert to fraction form
    16,764.67/23,135.15 = 9,107.88/x
  3. Step 3: Cross multiply
    16,764.67x = 23,135.15 × 9,107.88
  4. Step 4: Simplify right side
    16,764.67x = 210,712,105.99
  5. Step 5: Solve for x
    x = 210,712,105.99/16,764.67
  6. Step 6: Final answer
    x = 12,568.82

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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.