Home / 19,750.89-29,626.37-7,910.00

Finding the Fourth Proportional to 19,750.89, 29,626.37 and 7,910.00

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Solution

The fourth proportional to 19,750.89, 29,626.37 and 7,910.00 is: 11,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.89 : 29,626.37 = 7,910.00 : x
  2. Step 2: Convert to fraction form
    19,750.89/29,626.37 = 7,910.00/x
  3. Step 3: Cross multiply
    19,750.89x = 29,626.37 × 7,910.00
  4. Step 4: Simplify right side
    19,750.89x = 234,344,399.02
  5. Step 5: Solve for x
    x = 234,344,399.02/19,750.89
  6. Step 6: Final answer
    x = 11,865.00

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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.