Home / 13,177.91-19,764.81-4,412.90

Finding the Fourth Proportional to 13,177.91, 19,764.81 and 4,412.90

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Solution

The fourth proportional to 13,177.91, 19,764.81 and 4,412.90 is: 6,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.91 : 19,764.81 = 4,412.90 : x
  2. Step 2: Convert to fraction form
    13,177.91/19,764.81 = 4,412.90/x
  3. Step 3: Cross multiply
    13,177.91x = 19,764.81 × 4,412.90
  4. Step 4: Simplify right side
    13,177.91x = 87,220,179.46
  5. Step 5: Solve for x
    x = 87,220,179.46/13,177.91
  6. Step 6: Final answer
    x = 6,618.66

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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.