Home / 17,180.90-25,777.11-9,284.12

Finding the Fourth Proportional to 17,180.90, 25,777.11 and 9,284.12

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Solution

The fourth proportional to 17,180.90, 25,777.11 and 9,284.12 is: 13,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.90 : 25,777.11 = 9,284.12 : x
  2. Step 2: Convert to fraction form
    17,180.90/25,777.11 = 9,284.12/x
  3. Step 3: Cross multiply
    17,180.90x = 25,777.11 × 9,284.12
  4. Step 4: Simplify right side
    17,180.90x = 239,317,782.49
  5. Step 5: Solve for x
    x = 239,317,782.49/17,180.90
  6. Step 6: Final answer
    x = 13,929.29

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1.5x scale

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.