Home / 20,795.50-31,188.66-6,001.20

Finding the Fourth Proportional to 20,795.50, 31,188.66 and 6,001.20

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Solution

The fourth proportional to 20,795.50, 31,188.66 and 6,001.20 is: 9,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.50 : 31,188.66 = 6,001.20 : x
  2. Step 2: Convert to fraction form
    20,795.50/31,188.66 = 6,001.20/x
  3. Step 3: Cross multiply
    20,795.50x = 31,188.66 × 6,001.20
  4. Step 4: Simplify right side
    20,795.50x = 187,169,363.89
  5. Step 5: Solve for x
    x = 187,169,363.89/20,795.50
  6. Step 6: Final answer
    x = 9,000.47

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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.