Home / 19,399.11-29,077.95-11,061.17

Finding the Fourth Proportional to 19,399.11, 29,077.95 and 11,061.17

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Solution

The fourth proportional to 19,399.11, 29,077.95 and 11,061.17 is: 16,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.11 : 29,077.95 = 11,061.17 : x
  2. Step 2: Convert to fraction form
    19,399.11/29,077.95 = 11,061.17/x
  3. Step 3: Cross multiply
    19,399.11x = 29,077.95 × 11,061.17
  4. Step 4: Simplify right side
    19,399.11x = 321,636,002.81
  5. Step 5: Solve for x
    x = 321,636,002.81/19,399.11
  6. Step 6: Final answer
    x = 16,579.94

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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.