Home / 20,726.55-31,092.10-5,937.86

Finding the Fourth Proportional to 20,726.55, 31,092.10 and 5,937.86

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Solution

The fourth proportional to 20,726.55, 31,092.10 and 5,937.86 is: 8,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.55 : 31,092.10 = 5,937.86 : x
  2. Step 2: Convert to fraction form
    20,726.55/31,092.10 = 5,937.86/x
  3. Step 3: Cross multiply
    20,726.55x = 31,092.10 × 5,937.86
  4. Step 4: Simplify right side
    20,726.55x = 184,620,599.79
  5. Step 5: Solve for x
    x = 184,620,599.79/20,726.55
  6. Step 6: Final answer
    x = 8,907.44

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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.