Home / 13,792.49-20,701.70-7,223.39

Finding the Fourth Proportional to 13,792.49, 20,701.70 and 7,223.39

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Solution

The fourth proportional to 13,792.49, 20,701.70 and 7,223.39 is: 10,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.49 : 20,701.70 = 7,223.39 : x
  2. Step 2: Convert to fraction form
    13,792.49/20,701.70 = 7,223.39/x
  3. Step 3: Cross multiply
    13,792.49x = 20,701.70 × 7,223.39
  4. Step 4: Simplify right side
    13,792.49x = 149,536,452.76
  5. Step 5: Solve for x
    x = 149,536,452.76/13,792.49
  6. Step 6: Final answer
    x = 10,841.88

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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.