Home / 17,136.80-25,689.56-6,600.08

Finding the Fourth Proportional to 17,136.80, 25,689.56 and 6,600.08

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Solution

The fourth proportional to 17,136.80, 25,689.56 and 6,600.08 is: 9,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.80 : 25,689.56 = 6,600.08 : x
  2. Step 2: Convert to fraction form
    17,136.80/25,689.56 = 6,600.08/x
  3. Step 3: Cross multiply
    17,136.80x = 25,689.56 × 6,600.08
  4. Step 4: Simplify right side
    17,136.80x = 169,553,151.16
  5. Step 5: Solve for x
    x = 169,553,151.16/17,136.80
  6. Step 6: Final answer
    x = 9,894.10

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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.