Home / 20,677.68-31,007.21-5,883.03

Finding the Fourth Proportional to 20,677.68, 31,007.21 and 5,883.03

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Solution

The fourth proportional to 20,677.68, 31,007.21 and 5,883.03 is: 8,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.68 : 31,007.21 = 5,883.03 : x
  2. Step 2: Convert to fraction form
    20,677.68/31,007.21 = 5,883.03/x
  3. Step 3: Cross multiply
    20,677.68x = 31,007.21 × 5,883.03
  4. Step 4: Simplify right side
    20,677.68x = 182,416,317.23
  5. Step 5: Solve for x
    x = 182,416,317.23/20,677.68
  6. Step 6: Final answer
    x = 8,821.89

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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.