Home / 20,727.48-31,093.50-5,938.80

Finding the Fourth Proportional to 20,727.48, 31,093.50 and 5,938.80

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Solution

The fourth proportional to 20,727.48, 31,093.50 and 5,938.80 is: 8,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.48 : 31,093.50 = 5,938.80 : x
  2. Step 2: Convert to fraction form
    20,727.48/31,093.50 = 5,938.80/x
  3. Step 3: Cross multiply
    20,727.48x = 31,093.50 × 5,938.80
  4. Step 4: Simplify right side
    20,727.48x = 184,658,077.80
  5. Step 5: Solve for x
    x = 184,658,077.80/20,727.48
  6. Step 6: Final answer
    x = 8,908.85

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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.