Home / 18,996.16-26,214.78-10,382.51

Finding the Fourth Proportional to 18,996.16, 26,214.78 and 10,382.51

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Solution

The fourth proportional to 18,996.16, 26,214.78 and 10,382.51 is: 14,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.16 : 26,214.78 = 10,382.51 : x
  2. Step 2: Convert to fraction form
    18,996.16/26,214.78 = 10,382.51/x
  3. Step 3: Cross multiply
    18,996.16x = 26,214.78 × 10,382.51
  4. Step 4: Simplify right side
    18,996.16x = 272,175,163.59
  5. Step 5: Solve for x
    x = 272,175,163.59/18,996.16
  6. Step 6: Final answer
    x = 14,327.91

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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.