Home / 13,136.49-19,694.52-8,966.25

Finding the Fourth Proportional to 13,136.49, 19,694.52 and 8,966.25

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Solution

The fourth proportional to 13,136.49, 19,694.52 and 8,966.25 is: 13,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.49 : 19,694.52 = 8,966.25 : x
  2. Step 2: Convert to fraction form
    13,136.49/19,694.52 = 8,966.25/x
  3. Step 3: Cross multiply
    13,136.49x = 19,694.52 × 8,966.25
  4. Step 4: Simplify right side
    13,136.49x = 176,585,989.95
  5. Step 5: Solve for x
    x = 176,585,989.95/13,136.49
  6. Step 6: Final answer
    x = 13,442.40

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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.