Home / 20,792.40-31,188.60-6,001.80

Finding the Fourth Proportional to 20,792.40, 31,188.60 and 6,001.80

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Solution

The fourth proportional to 20,792.40, 31,188.60 and 6,001.80 is: 9,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.40 : 31,188.60 = 6,001.80 : x
  2. Step 2: Convert to fraction form
    20,792.40/31,188.60 = 6,001.80/x
  3. Step 3: Cross multiply
    20,792.40x = 31,188.60 × 6,001.80
  4. Step 4: Simplify right side
    20,792.40x = 187,187,739.48
  5. Step 5: Solve for x
    x = 187,187,739.48/20,792.40
  6. Step 6: Final answer
    x = 9,002.70

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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.