Home / 19,811.49-29,743.64-11,497.48

Finding the Fourth Proportional to 19,811.49, 29,743.64 and 11,497.48

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Solution

The fourth proportional to 19,811.49, 29,743.64 and 11,497.48 is: 17,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.49 : 29,743.64 = 11,497.48 : x
  2. Step 2: Convert to fraction form
    19,811.49/29,743.64 = 11,497.48/x
  3. Step 3: Cross multiply
    19,811.49x = 29,743.64 × 11,497.48
  4. Step 4: Simplify right side
    19,811.49x = 341,976,774.18
  5. Step 5: Solve for x
    x = 341,976,774.18/19,811.49
  6. Step 6: Final answer
    x = 17,261.53

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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.