Home / 19,852.29-29,783.60-7,375.91

Finding the Fourth Proportional to 19,852.29, 29,783.60 and 7,375.91

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Solution

The fourth proportional to 19,852.29, 29,783.60 and 7,375.91 is: 11,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.29 : 29,783.60 = 7,375.91 : x
  2. Step 2: Convert to fraction form
    19,852.29/29,783.60 = 7,375.91/x
  3. Step 3: Cross multiply
    19,852.29x = 29,783.60 × 7,375.91
  4. Step 4: Simplify right side
    19,852.29x = 219,681,162.47
  5. Step 5: Solve for x
    x = 219,681,162.47/19,852.29
  6. Step 6: Final answer
    x = 11,065.78

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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.