Home / 15,949.62-22,007.16-9,983.16

Finding the Fourth Proportional to 15,949.62, 22,007.16 and 9,983.16

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Solution

The fourth proportional to 15,949.62, 22,007.16 and 9,983.16 is: 13,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.62 : 22,007.16 = 9,983.16 : x
  2. Step 2: Convert to fraction form
    15,949.62/22,007.16 = 9,983.16/x
  3. Step 3: Cross multiply
    15,949.62x = 22,007.16 × 9,983.16
  4. Step 4: Simplify right side
    15,949.62x = 219,700,999.43
  5. Step 5: Solve for x
    x = 219,700,999.43/15,949.62
  6. Step 6: Final answer
    x = 13,774.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.