Home / 19,725.60-29,579.94-7,241.52

Finding the Fourth Proportional to 19,725.60, 29,579.94 and 7,241.52

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Solution

The fourth proportional to 19,725.60, 29,579.94 and 7,241.52 is: 10,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.60 : 29,579.94 = 7,241.52 : x
  2. Step 2: Convert to fraction form
    19,725.60/29,579.94 = 7,241.52/x
  3. Step 3: Cross multiply
    19,725.60x = 29,579.94 × 7,241.52
  4. Step 4: Simplify right side
    19,725.60x = 214,203,727.11
  5. Step 5: Solve for x
    x = 214,203,727.11/19,725.60
  6. Step 6: Final answer
    x = 10,859.17

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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.