Home / 19,570.92-29,360.70-5,721

Finding the Fourth Proportional to 19,570.92, 29,360.70 and 5,721

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Solution

The fourth proportional to 19,570.92, 29,360.70 and 5,721 is: 8,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.92 : 29,360.70 = 5,721 : x
  2. Step 2: Convert to fraction form
    19,570.92/29,360.70 = 5,721/x
  3. Step 3: Cross multiply
    19,570.92x = 29,360.70 × 5,721
  4. Step 4: Simplify right side
    19,570.92x = 167,972,564.70
  5. Step 5: Solve for x
    x = 167,972,564.70/19,570.92
  6. Step 6: Final answer
    x = 8,582.76

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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.