Home / 17,838.40-26,755.48-4,691.80

Finding the Fourth Proportional to 17,838.40, 26,755.48 and 4,691.80

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Solution

The fourth proportional to 17,838.40, 26,755.48 and 4,691.80 is: 7,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.40 : 26,755.48 = 4,691.80 : x
  2. Step 2: Convert to fraction form
    17,838.40/26,755.48 = 4,691.80/x
  3. Step 3: Cross multiply
    17,838.40x = 26,755.48 × 4,691.80
  4. Step 4: Simplify right side
    17,838.40x = 125,531,361.06
  5. Step 5: Solve for x
    x = 125,531,361.06/17,838.40
  6. Step 6: Final answer
    x = 7,037.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.