Home / 20,176.59-30,236.54-17,199.64

Finding the Fourth Proportional to 20,176.59, 30,236.54 and 17,199.64

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Solution

The fourth proportional to 20,176.59, 30,236.54 and 17,199.64 is: 25,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.59 : 30,236.54 = 17,199.64 : x
  2. Step 2: Convert to fraction form
    20,176.59/30,236.54 = 17,199.64/x
  3. Step 3: Cross multiply
    20,176.59x = 30,236.54 × 17,199.64
  4. Step 4: Simplify right side
    20,176.59x = 520,057,441.26
  5. Step 5: Solve for x
    x = 520,057,441.26/20,176.59
  6. Step 6: Final answer
    x = 25,775.29

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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.