Home / 20,022.39-27,601.16-17,176.05

Finding the Fourth Proportional to 20,022.39, 27,601.16 and 17,176.05

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Solution

The fourth proportional to 20,022.39, 27,601.16 and 17,176.05 is: 23,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.39 : 27,601.16 = 17,176.05 : x
  2. Step 2: Convert to fraction form
    20,022.39/27,601.16 = 17,176.05/x
  3. Step 3: Cross multiply
    20,022.39x = 27,601.16 × 17,176.05
  4. Step 4: Simplify right side
    20,022.39x = 474,078,818.34
  5. Step 5: Solve for x
    x = 474,078,818.34/20,022.39
  6. Step 6: Final answer
    x = 23,677.43

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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.