Home / 22,198.59-30,622.68-15,028.77

Finding the Fourth Proportional to 22,198.59, 30,622.68 and 15,028.77

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Solution

The fourth proportional to 22,198.59, 30,622.68 and 15,028.77 is: 20,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.59 : 30,622.68 = 15,028.77 : x
  2. Step 2: Convert to fraction form
    22,198.59/30,622.68 = 15,028.77/x
  3. Step 3: Cross multiply
    22,198.59x = 30,622.68 × 15,028.77
  4. Step 4: Simplify right side
    22,198.59x = 460,221,214.50
  5. Step 5: Solve for x
    x = 460,221,214.50/22,198.59
  6. Step 6: Final answer
    x = 20,732.00

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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.