Home / 19,710.26-29,549.69-11,380.82

Finding the Fourth Proportional to 19,710.26, 29,549.69 and 11,380.82

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Solution

The fourth proportional to 19,710.26, 29,549.69 and 11,380.82 is: 17,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.26 : 29,549.69 = 11,380.82 : x
  2. Step 2: Convert to fraction form
    19,710.26/29,549.69 = 11,380.82/x
  3. Step 3: Cross multiply
    19,710.26x = 29,549.69 × 11,380.82
  4. Step 4: Simplify right side
    19,710.26x = 336,299,719.92
  5. Step 5: Solve for x
    x = 336,299,719.92/19,710.26
  6. Step 6: Final answer
    x = 17,062.17

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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.