Home / 13,316.92-19,975.39-4,551.91

Finding the Fourth Proportional to 13,316.92, 19,975.39 and 4,551.91

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Solution

The fourth proportional to 13,316.92, 19,975.39 and 4,551.91 is: 6,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.92 : 19,975.39 = 4,551.91 : x
  2. Step 2: Convert to fraction form
    13,316.92/19,975.39 = 4,551.91/x
  3. Step 3: Cross multiply
    13,316.92x = 19,975.39 × 4,551.91
  4. Step 4: Simplify right side
    13,316.92x = 90,926,116.18
  5. Step 5: Solve for x
    x = 90,926,116.18/13,316.92
  6. Step 6: Final answer
    x = 6,827.87

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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.