Home / 20,892.23-31,340.10-6,852.17

Finding the Fourth Proportional to 20,892.23, 31,340.10 and 6,852.17

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Solution

The fourth proportional to 20,892.23, 31,340.10 and 6,852.17 is: 10,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.23 : 31,340.10 = 6,852.17 : x
  2. Step 2: Convert to fraction form
    20,892.23/31,340.10 = 6,852.17/x
  3. Step 3: Cross multiply
    20,892.23x = 31,340.10 × 6,852.17
  4. Step 4: Simplify right side
    20,892.23x = 214,747,536.32
  5. Step 5: Solve for x
    x = 214,747,536.32/20,892.23
  6. Step 6: Final answer
    x = 10,278.83

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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.