Home / 20,952.23-31,428.34-6,161.27

Finding the Fourth Proportional to 20,952.23, 31,428.34 and 6,161.27

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Solution

The fourth proportional to 20,952.23, 31,428.34 and 6,161.27 is: 9,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.23 : 31,428.34 = 6,161.27 : x
  2. Step 2: Convert to fraction form
    20,952.23/31,428.34 = 6,161.27/x
  3. Step 3: Cross multiply
    20,952.23x = 31,428.34 × 6,161.27
  4. Step 4: Simplify right side
    20,952.23x = 193,638,488.39
  5. Step 5: Solve for x
    x = 193,638,488.39/20,952.23
  6. Step 6: Final answer
    x = 9,241.90

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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.