Home / 19,711.08-29,572.63-11,822.36

Finding the Fourth Proportional to 19,711.08, 29,572.63 and 11,822.36

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Solution

The fourth proportional to 19,711.08, 29,572.63 and 11,822.36 is: 17,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.08 : 29,572.63 = 11,822.36 : x
  2. Step 2: Convert to fraction form
    19,711.08/29,572.63 = 11,822.36/x
  3. Step 3: Cross multiply
    19,711.08x = 29,572.63 × 11,822.36
  4. Step 4: Simplify right side
    19,711.08x = 349,618,100.59
  5. Step 5: Solve for x
    x = 349,618,100.59/19,711.08
  6. Step 6: Final answer
    x = 17,737.14

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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.