Home / 15,181.91-22,772.99-5,321.17

Finding the Fourth Proportional to 15,181.91, 22,772.99 and 5,321.17

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Solution

The fourth proportional to 15,181.91, 22,772.99 and 5,321.17 is: 7,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.91 : 22,772.99 = 5,321.17 : x
  2. Step 2: Convert to fraction form
    15,181.91/22,772.99 = 5,321.17/x
  3. Step 3: Cross multiply
    15,181.91x = 22,772.99 × 5,321.17
  4. Step 4: Simplify right side
    15,181.91x = 121,178,907.57
  5. Step 5: Solve for x
    x = 121,178,907.57/15,181.91
  6. Step 6: Final answer
    x = 7,981.80

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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.