Home / 13,738.10-20,583.58-9,226.70

Finding the Fourth Proportional to 13,738.10, 20,583.58 and 9,226.70

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Solution

The fourth proportional to 13,738.10, 20,583.58 and 9,226.70 is: 13,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.10 : 20,583.58 = 9,226.70 : x
  2. Step 2: Convert to fraction form
    13,738.10/20,583.58 = 9,226.70/x
  3. Step 3: Cross multiply
    13,738.10x = 20,583.58 × 9,226.70
  4. Step 4: Simplify right side
    13,738.10x = 189,918,391.60
  5. Step 5: Solve for x
    x = 189,918,391.60/13,738.10
  6. Step 6: Final answer
    x = 13,824.22

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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.