Home / 19,487.30-29,223.72-7,003.96

Finding the Fourth Proportional to 19,487.30, 29,223.72 and 7,003.96

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Solution

The fourth proportional to 19,487.30, 29,223.72 and 7,003.96 is: 10,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.30 : 29,223.72 = 7,003.96 : x
  2. Step 2: Convert to fraction form
    19,487.30/29,223.72 = 7,003.96/x
  3. Step 3: Cross multiply
    19,487.30x = 29,223.72 × 7,003.96
  4. Step 4: Simplify right side
    19,487.30x = 204,681,765.93
  5. Step 5: Solve for x
    x = 204,681,765.93/19,487.30
  6. Step 6: Final answer
    x = 10,503.34

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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.