Home / 20,544.87-30,799.47-10,000.23

Finding the Fourth Proportional to 20,544.87, 30,799.47 and 10,000.23

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Solution

The fourth proportional to 20,544.87, 30,799.47 and 10,000.23 is: 14,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.87 : 30,799.47 = 10,000.23 : x
  2. Step 2: Convert to fraction form
    20,544.87/30,799.47 = 10,000.23/x
  3. Step 3: Cross multiply
    20,544.87x = 30,799.47 × 10,000.23
  4. Step 4: Simplify right side
    20,544.87x = 308,001,783.88
  5. Step 5: Solve for x
    x = 308,001,783.88/20,544.87
  6. Step 6: Final answer
    x = 14,991.66

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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.