Home / 19,949.39-27,530.15-10,874.77

Finding the Fourth Proportional to 19,949.39, 27,530.15 and 10,874.77

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Solution

The fourth proportional to 19,949.39, 27,530.15 and 10,874.77 is: 15,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.39 : 27,530.15 = 10,874.77 : x
  2. Step 2: Convert to fraction form
    19,949.39/27,530.15 = 10,874.77/x
  3. Step 3: Cross multiply
    19,949.39x = 27,530.15 × 10,874.77
  4. Step 4: Simplify right side
    19,949.39x = 299,384,070.13
  5. Step 5: Solve for x
    x = 299,384,070.13/19,949.39
  6. Step 6: Final answer
    x = 15,007.18

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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.