Home / 13,176.82-19,764.52-3,316.08

Finding the Fourth Proportional to 13,176.82, 19,764.52 and 3,316.08

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Solution

The fourth proportional to 13,176.82, 19,764.52 and 3,316.08 is: 4,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.82 : 19,764.52 = 3,316.08 : x
  2. Step 2: Convert to fraction form
    13,176.82/19,764.52 = 3,316.08/x
  3. Step 3: Cross multiply
    13,176.82x = 19,764.52 × 3,316.08
  4. Step 4: Simplify right side
    13,176.82x = 65,540,721.19
  5. Step 5: Solve for x
    x = 65,540,721.19/13,176.82
  6. Step 6: Final answer
    x = 4,973.94

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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.