Home / 20,794.75-31,187.54-6,000.45

Finding the Fourth Proportional to 20,794.75, 31,187.54 and 6,000.45

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Solution

The fourth proportional to 20,794.75, 31,187.54 and 6,000.45 is: 8,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.75 : 31,187.54 = 6,000.45 : x
  2. Step 2: Convert to fraction form
    20,794.75/31,187.54 = 6,000.45/x
  3. Step 3: Cross multiply
    20,794.75x = 31,187.54 × 6,000.45
  4. Step 4: Simplify right side
    20,794.75x = 187,139,244.39
  5. Step 5: Solve for x
    x = 187,139,244.39/20,794.75
  6. Step 6: Final answer
    x = 8,999.35

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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.