Home / 19,420.22-26,800.27-10,922.12

Finding the Fourth Proportional to 19,420.22, 26,800.27 and 10,922.12

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Solution

The fourth proportional to 19,420.22, 26,800.27 and 10,922.12 is: 15,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.22 : 26,800.27 = 10,922.12 : x
  2. Step 2: Convert to fraction form
    19,420.22/26,800.27 = 10,922.12/x
  3. Step 3: Cross multiply
    19,420.22x = 26,800.27 × 10,922.12
  4. Step 4: Simplify right side
    19,420.22x = 292,715,764.97
  5. Step 5: Solve for x
    x = 292,715,764.97/19,420.22
  6. Step 6: Final answer
    x = 15,072.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.