Home / 18,843.15-26,005.14-10,346.71

Finding the Fourth Proportional to 18,843.15, 26,005.14 and 10,346.71

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Solution

The fourth proportional to 18,843.15, 26,005.14 and 10,346.71 is: 14,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.15 : 26,005.14 = 10,346.71 : x
  2. Step 2: Convert to fraction form
    18,843.15/26,005.14 = 10,346.71/x
  3. Step 3: Cross multiply
    18,843.15x = 26,005.14 × 10,346.71
  4. Step 4: Simplify right side
    18,843.15x = 269,067,642.09
  5. Step 5: Solve for x
    x = 269,067,642.09/18,843.15
  6. Step 6: Final answer
    x = 14,279.33

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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.