Home / 16,779.87-23,155.62-9,226.14

Finding the Fourth Proportional to 16,779.87, 23,155.62 and 9,226.14

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Solution

The fourth proportional to 16,779.87, 23,155.62 and 9,226.14 is: 12,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.87 : 23,155.62 = 9,226.14 : x
  2. Step 2: Convert to fraction form
    16,779.87/23,155.62 = 9,226.14/x
  3. Step 3: Cross multiply
    16,779.87x = 23,155.62 × 9,226.14
  4. Step 4: Simplify right side
    16,779.87x = 213,636,991.91
  5. Step 5: Solve for x
    x = 213,636,991.91/16,779.87
  6. Step 6: Final answer
    x = 12,731.74

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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.