Home / 20,892.67-31,349.23-10,363.68

Finding the Fourth Proportional to 20,892.67, 31,349.23 and 10,363.68

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Solution

The fourth proportional to 20,892.67, 31,349.23 and 10,363.68 is: 15,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.67 : 31,349.23 = 10,363.68 : x
  2. Step 2: Convert to fraction form
    20,892.67/31,349.23 = 10,363.68/x
  3. Step 3: Cross multiply
    20,892.67x = 31,349.23 × 10,363.68
  4. Step 4: Simplify right side
    20,892.67x = 324,893,362.06
  5. Step 5: Solve for x
    x = 324,893,362.06/20,892.67
  6. Step 6: Final answer
    x = 15,550.59

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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.