Home / 22,022.90-33,033.16-7,790.38

Finding the Fourth Proportional to 22,022.90, 33,033.16 and 7,790.38

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Solution

The fourth proportional to 22,022.90, 33,033.16 and 7,790.38 is: 11,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.90 : 33,033.16 = 7,790.38 : x
  2. Step 2: Convert to fraction form
    22,022.90/33,033.16 = 7,790.38/x
  3. Step 3: Cross multiply
    22,022.90x = 33,033.16 × 7,790.38
  4. Step 4: Simplify right side
    22,022.90x = 257,340,869.00
  5. Step 5: Solve for x
    x = 257,340,869.00/22,022.90
  6. Step 6: Final answer
    x = 11,685.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.