Home / 13,516.05-18,652.68-7,850.73

Finding the Fourth Proportional to 13,516.05, 18,652.68 and 7,850.73

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Solution

The fourth proportional to 13,516.05, 18,652.68 and 7,850.73 is: 10,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.05 : 18,652.68 = 7,850.73 : x
  2. Step 2: Convert to fraction form
    13,516.05/18,652.68 = 7,850.73/x
  3. Step 3: Cross multiply
    13,516.05x = 18,652.68 × 7,850.73
  4. Step 4: Simplify right side
    13,516.05x = 146,437,154.46
  5. Step 5: Solve for x
    x = 146,437,154.46/13,516.05
  6. Step 6: Final answer
    x = 10,834.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.