Home / 20,022.63-27,599.42-15,766.94

Finding the Fourth Proportional to 20,022.63, 27,599.42 and 15,766.94

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Solution

The fourth proportional to 20,022.63, 27,599.42 and 15,766.94 is: 21,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.63 : 27,599.42 = 15,766.94 : x
  2. Step 2: Convert to fraction form
    20,022.63/27,599.42 = 15,766.94/x
  3. Step 3: Cross multiply
    20,022.63x = 27,599.42 × 15,766.94
  4. Step 4: Simplify right side
    20,022.63x = 435,158,399.17
  5. Step 5: Solve for x
    x = 435,158,399.17/20,022.63
  6. Step 6: Final answer
    x = 21,733.33

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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.