Home / 20,544.03-30,816.05-4,961.66

Finding the Fourth Proportional to 20,544.03, 30,816.05 and 4,961.66

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Solution

The fourth proportional to 20,544.03, 30,816.05 and 4,961.66 is: 7,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.03 : 30,816.05 = 4,961.66 : x
  2. Step 2: Convert to fraction form
    20,544.03/30,816.05 = 4,961.66/x
  3. Step 3: Cross multiply
    20,544.03x = 30,816.05 × 4,961.66
  4. Step 4: Simplify right side
    20,544.03x = 152,898,583.75
  5. Step 5: Solve for x
    x = 152,898,583.75/20,544.03
  6. Step 6: Final answer
    x = 7,442.48

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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.