Home / 16,780.06-23,155.98-9,226.36

Finding the Fourth Proportional to 16,780.06, 23,155.98 and 9,226.36

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Solution

The fourth proportional to 16,780.06, 23,155.98 and 9,226.36 is: 12,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.06 : 23,155.98 = 9,226.36 : x
  2. Step 2: Convert to fraction form
    16,780.06/23,155.98 = 9,226.36/x
  3. Step 3: Cross multiply
    16,780.06x = 23,155.98 × 9,226.36
  4. Step 4: Simplify right side
    16,780.06x = 213,645,407.63
  5. Step 5: Solve for x
    x = 213,645,407.63/16,780.06
  6. Step 6: Final answer
    x = 12,732.10

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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.