Home / 20,035.46-30,054.82-6,887.84

Finding the Fourth Proportional to 20,035.46, 30,054.82 and 6,887.84

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Solution

The fourth proportional to 20,035.46, 30,054.82 and 6,887.84 is: 10,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.46 : 30,054.82 = 6,887.84 : x
  2. Step 2: Convert to fraction form
    20,035.46/30,054.82 = 6,887.84/x
  3. Step 3: Cross multiply
    20,035.46x = 30,054.82 × 6,887.84
  4. Step 4: Simplify right side
    20,035.46x = 207,012,791.39
  5. Step 5: Solve for x
    x = 207,012,791.39/20,035.46
  6. Step 6: Final answer
    x = 10,332.32

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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.