Home / 20,106.45-30,164.64-6,066.18

Finding the Fourth Proportional to 20,106.45, 30,164.64 and 6,066.18

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Solution

The fourth proportional to 20,106.45, 30,164.64 and 6,066.18 is: 9,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106.45 : 30,164.64 = 6,066.18 : x
  2. Step 2: Convert to fraction form
    20,106.45/30,164.64 = 6,066.18/x
  3. Step 3: Cross multiply
    20,106.45x = 30,164.64 × 6,066.18
  4. Step 4: Simplify right side
    20,106.45x = 182,984,135.88
  5. Step 5: Solve for x
    x = 182,984,135.88/20,106.45
  6. Step 6: Final answer
    x = 9,100.77

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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.