Home / 19,817.88-29,725.31-7,332.03

Finding the Fourth Proportional to 19,817.88, 29,725.31 and 7,332.03

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Solution

The fourth proportional to 19,817.88, 29,725.31 and 7,332.03 is: 10,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.88 : 29,725.31 = 7,332.03 : x
  2. Step 2: Convert to fraction form
    19,817.88/29,725.31 = 7,332.03/x
  3. Step 3: Cross multiply
    19,817.88x = 29,725.31 × 7,332.03
  4. Step 4: Simplify right side
    19,817.88x = 217,946,828.02
  5. Step 5: Solve for x
    x = 217,946,828.02/19,817.88
  6. Step 6: Final answer
    x = 10,997.48

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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.