Home / 15,945.17-23,881.30-7,631.03

Finding the Fourth Proportional to 15,945.17, 23,881.30 and 7,631.03

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Solution

The fourth proportional to 15,945.17, 23,881.30 and 7,631.03 is: 11,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.17 : 23,881.30 = 7,631.03 : x
  2. Step 2: Convert to fraction form
    15,945.17/23,881.30 = 7,631.03/x
  3. Step 3: Cross multiply
    15,945.17x = 23,881.30 × 7,631.03
  4. Step 4: Simplify right side
    15,945.17x = 182,238,823.03
  5. Step 5: Solve for x
    x = 182,238,823.03/15,945.17
  6. Step 6: Final answer
    x = 11,429.09

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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.