Home / 19,768.73-29,663.15-8,672.54

Finding the Fourth Proportional to 19,768.73, 29,663.15 and 8,672.54

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Solution

The fourth proportional to 19,768.73, 29,663.15 and 8,672.54 is: 13,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.73 : 29,663.15 = 8,672.54 : x
  2. Step 2: Convert to fraction form
    19,768.73/29,663.15 = 8,672.54/x
  3. Step 3: Cross multiply
    19,768.73x = 29,663.15 × 8,672.54
  4. Step 4: Simplify right side
    19,768.73x = 257,254,663.22
  5. Step 5: Solve for x
    x = 257,254,663.22/19,768.73
  6. Step 6: Final answer
    x = 13,013.21

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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.