Home / 16,780.35-23,155.70-9,226.56

Finding the Fourth Proportional to 16,780.35, 23,155.70 and 9,226.56

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Solution

The fourth proportional to 16,780.35, 23,155.70 and 9,226.56 is: 12,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.35 : 23,155.70 = 9,226.56 : x
  2. Step 2: Convert to fraction form
    16,780.35/23,155.70 = 9,226.56/x
  3. Step 3: Cross multiply
    16,780.35x = 23,155.70 × 9,226.56
  4. Step 4: Simplify right side
    16,780.35x = 213,647,409.26
  5. Step 5: Solve for x
    x = 213,647,409.26/16,780.35
  6. Step 6: Final answer
    x = 12,732.00

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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.