Home / 16,929.80-25,400.78-7,569.03

Finding the Fourth Proportional to 16,929.80, 25,400.78 and 7,569.03

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Solution

The fourth proportional to 16,929.80, 25,400.78 and 7,569.03 is: 11,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.80 : 25,400.78 = 7,569.03 : x
  2. Step 2: Convert to fraction form
    16,929.80/25,400.78 = 7,569.03/x
  3. Step 3: Cross multiply
    16,929.80x = 25,400.78 × 7,569.03
  4. Step 4: Simplify right side
    16,929.80x = 192,259,228.00
  5. Step 5: Solve for x
    x = 192,259,228.00/16,929.80
  6. Step 6: Final answer
    x = 11,356.26

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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.