Home / 19,480.89-29,208.84-11,581.30

Finding the Fourth Proportional to 19,480.89, 29,208.84 and 11,581.30

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Solution

The fourth proportional to 19,480.89, 29,208.84 and 11,581.30 is: 17,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.89 : 29,208.84 = 11,581.30 : x
  2. Step 2: Convert to fraction form
    19,480.89/29,208.84 = 11,581.30/x
  3. Step 3: Cross multiply
    19,480.89x = 29,208.84 × 11,581.30
  4. Step 4: Simplify right side
    19,480.89x = 338,276,338.69
  5. Step 5: Solve for x
    x = 338,276,338.69/19,480.89
  6. Step 6: Final answer
    x = 17,364.52

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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.