Home / 20,522.00-30,769.22-10,532.81

Finding the Fourth Proportional to 20,522.00, 30,769.22 and 10,532.81

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Solution

The fourth proportional to 20,522.00, 30,769.22 and 10,532.81 is: 15,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.00 : 30,769.22 = 10,532.81 : x
  2. Step 2: Convert to fraction form
    20,522.00/30,769.22 = 10,532.81/x
  3. Step 3: Cross multiply
    20,522.00x = 30,769.22 × 10,532.81
  4. Step 4: Simplify right side
    20,522.00x = 324,086,141.60
  5. Step 5: Solve for x
    x = 324,086,141.60/20,522.00
  6. Step 6: Final answer
    x = 15,792.14

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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.