Home / 35,518.56-53,265.30-11,819.70

Finding the Fourth Proportional to 35,518.56, 53,265.30 and 11,819.70

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Solution

The fourth proportional to 35,518.56, 53,265.30 and 11,819.70 is: 17,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.56 : 53,265.30 = 11,819.70 : x
  2. Step 2: Convert to fraction form
    35,518.56/53,265.30 = 11,819.70/x
  3. Step 3: Cross multiply
    35,518.56x = 53,265.30 × 11,819.70
  4. Step 4: Simplify right side
    35,518.56x = 629,579,866.41
  5. Step 5: Solve for x
    x = 629,579,866.41/35,518.56
  6. Step 6: Final answer
    x = 17,725.38

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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.