Home / 13,274.76-18,318.96-7,306.27

Finding the Fourth Proportional to 13,274.76, 18,318.96 and 7,306.27

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Solution

The fourth proportional to 13,274.76, 18,318.96 and 7,306.27 is: 10,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.76 : 18,318.96 = 7,306.27 : x
  2. Step 2: Convert to fraction form
    13,274.76/18,318.96 = 7,306.27/x
  3. Step 3: Cross multiply
    13,274.76x = 18,318.96 × 7,306.27
  4. Step 4: Simplify right side
    13,274.76x = 133,843,267.88
  5. Step 5: Solve for x
    x = 133,843,267.88/13,274.76
  6. Step 6: Final answer
    x = 10,082.54

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Half scale
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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.