Home / 20,023.64-30,170.62-16,590.05

Finding the Fourth Proportional to 20,023.64, 30,170.62 and 16,590.05

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Solution

The fourth proportional to 20,023.64, 30,170.62 and 16,590.05 is: 24,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.64 : 30,170.62 = 16,590.05 : x
  2. Step 2: Convert to fraction form
    20,023.64/30,170.62 = 16,590.05/x
  3. Step 3: Cross multiply
    20,023.64x = 30,170.62 × 16,590.05
  4. Step 4: Simplify right side
    20,023.64x = 500,531,902.00
  5. Step 5: Solve for x
    x = 500,531,902.00/20,023.64
  6. Step 6: Final answer
    x = 24,997.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.