Home / 19,581.84-29,372.63-5,542.11

Finding the Fourth Proportional to 19,581.84, 29,372.63 and 5,542.11

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Solution

The fourth proportional to 19,581.84, 29,372.63 and 5,542.11 is: 8,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.84 : 29,372.63 = 5,542.11 : x
  2. Step 2: Convert to fraction form
    19,581.84/29,372.63 = 5,542.11/x
  3. Step 3: Cross multiply
    19,581.84x = 29,372.63 × 5,542.11
  4. Step 4: Simplify right side
    19,581.84x = 162,786,318.74
  5. Step 5: Solve for x
    x = 162,786,318.74/19,581.84
  6. Step 6: Final answer
    x = 8,313.13

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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.