Home / 19,622.24-29,428.90-5,581.95

Finding the Fourth Proportional to 19,622.24, 29,428.90 and 5,581.95

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Solution

The fourth proportional to 19,622.24, 29,428.90 and 5,581.95 is: 8,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.24 : 29,428.90 = 5,581.95 : x
  2. Step 2: Convert to fraction form
    19,622.24/29,428.90 = 5,581.95/x
  3. Step 3: Cross multiply
    19,622.24x = 29,428.90 × 5,581.95
  4. Step 4: Simplify right side
    19,622.24x = 164,270,648.36
  5. Step 5: Solve for x
    x = 164,270,648.36/19,622.24
  6. Step 6: Final answer
    x = 8,371.66

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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.