Home / 19,949.30-27,530.10-10,874.61

Finding the Fourth Proportional to 19,949.30, 27,530.10 and 10,874.61

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Solution

The fourth proportional to 19,949.30, 27,530.10 and 10,874.61 is: 15,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.30 : 27,530.10 = 10,874.61 : x
  2. Step 2: Convert to fraction form
    19,949.30/27,530.10 = 10,874.61/x
  3. Step 3: Cross multiply
    19,949.30x = 27,530.10 × 10,874.61
  4. Step 4: Simplify right side
    19,949.30x = 299,379,100.76
  5. Step 5: Solve for x
    x = 299,379,100.76/19,949.30
  6. Step 6: Final answer
    x = 15,007.00

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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.