Home / 26,716.86-36,869.29-14,781.02

Finding the Fourth Proportional to 26,716.86, 36,869.29 and 14,781.02

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Solution

The fourth proportional to 26,716.86, 36,869.29 and 14,781.02 is: 20,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.86 : 36,869.29 = 14,781.02 : x
  2. Step 2: Convert to fraction form
    26,716.86/36,869.29 = 14,781.02/x
  3. Step 3: Cross multiply
    26,716.86x = 36,869.29 × 14,781.02
  4. Step 4: Simplify right side
    26,716.86x = 544,965,491.58
  5. Step 5: Solve for x
    x = 544,965,491.58/26,716.86
  6. Step 6: Final answer
    x = 20,397.81

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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.