Home / 20,726.14-31,089.11-5,935.05

Finding the Fourth Proportional to 20,726.14, 31,089.11 and 5,935.05

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Solution

The fourth proportional to 20,726.14, 31,089.11 and 5,935.05 is: 8,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.14 : 31,089.11 = 5,935.05 : x
  2. Step 2: Convert to fraction form
    20,726.14/31,089.11 = 5,935.05/x
  3. Step 3: Cross multiply
    20,726.14x = 31,089.11 × 5,935.05
  4. Step 4: Simplify right side
    20,726.14x = 184,515,422.31
  5. Step 5: Solve for x
    x = 184,515,422.31/20,726.14
  6. Step 6: Final answer
    x = 8,902.55

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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.