Home / 19,551.53-29,322.78-11,656.26

Finding the Fourth Proportional to 19,551.53, 29,322.78 and 11,656.26

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Solution

The fourth proportional to 19,551.53, 29,322.78 and 11,656.26 is: 17,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.53 : 29,322.78 = 11,656.26 : x
  2. Step 2: Convert to fraction form
    19,551.53/29,322.78 = 11,656.26/x
  3. Step 3: Cross multiply
    19,551.53x = 29,322.78 × 11,656.26
  4. Step 4: Simplify right side
    19,551.53x = 341,793,947.60
  5. Step 5: Solve for x
    x = 341,793,947.60/19,551.53
  6. Step 6: Final answer
    x = 17,481.70

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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.