Home / 19,763.58-29,649.69-5,913.66

Finding the Fourth Proportional to 19,763.58, 29,649.69 and 5,913.66

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Solution

The fourth proportional to 19,763.58, 29,649.69 and 5,913.66 is: 8,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.58 : 29,649.69 = 5,913.66 : x
  2. Step 2: Convert to fraction form
    19,763.58/29,649.69 = 5,913.66/x
  3. Step 3: Cross multiply
    19,763.58x = 29,649.69 × 5,913.66
  4. Step 4: Simplify right side
    19,763.58x = 175,338,185.77
  5. Step 5: Solve for x
    x = 175,338,185.77/19,763.58
  6. Step 6: Final answer
    x = 8,871.78

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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.