Home / 12,905.55-19,358.34-4,141.17

Finding the Fourth Proportional to 12,905.55, 19,358.34 and 4,141.17

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Solution

The fourth proportional to 12,905.55, 19,358.34 and 4,141.17 is: 6,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905.55 : 19,358.34 = 4,141.17 : x
  2. Step 2: Convert to fraction form
    12,905.55/19,358.34 = 4,141.17/x
  3. Step 3: Cross multiply
    12,905.55x = 19,358.34 × 4,141.17
  4. Step 4: Simplify right side
    12,905.55x = 80,166,176.86
  5. Step 5: Solve for x
    x = 80,166,176.86/12,905.55
  6. Step 6: Final answer
    x = 6,211.76

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Similar ratio
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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.