Home / 18,878.97-26,052.99-10,381.23

Finding the Fourth Proportional to 18,878.97, 26,052.99 and 10,381.23

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Solution

The fourth proportional to 18,878.97, 26,052.99 and 10,381.23 is: 14,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.97 : 26,052.99 = 10,381.23 : x
  2. Step 2: Convert to fraction form
    18,878.97/26,052.99 = 10,381.23/x
  3. Step 3: Cross multiply
    18,878.97x = 26,052.99 × 10,381.23
  4. Step 4: Simplify right side
    18,878.97x = 270,462,081.38
  5. Step 5: Solve for x
    x = 270,462,081.38/18,878.97
  6. Step 6: Final answer
    x = 14,326.11

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Half scale
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Double scale
Find fourth proportional to 18,879.97, 26,054.37 and 10,382.23
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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.