Home / 18,051.09-24,918.08-10,979.97

Finding the Fourth Proportional to 18,051.09, 24,918.08 and 10,979.97

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Solution

The fourth proportional to 18,051.09, 24,918.08 and 10,979.97 is: 15,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.09 : 24,918.08 = 10,979.97 : x
  2. Step 2: Convert to fraction form
    18,051.09/24,918.08 = 10,979.97/x
  3. Step 3: Cross multiply
    18,051.09x = 24,918.08 × 10,979.97
  4. Step 4: Simplify right side
    18,051.09x = 273,599,684.28
  5. Step 5: Solve for x
    x = 273,599,684.28/18,051.09
  6. Step 6: Final answer
    x = 15,156.97

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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.