Home / 17,188.47-25,780.17-6,663.51

Finding the Fourth Proportional to 17,188.47, 25,780.17 and 6,663.51

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Solution

The fourth proportional to 17,188.47, 25,780.17 and 6,663.51 is: 9,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.47 : 25,780.17 = 6,663.51 : x
  2. Step 2: Convert to fraction form
    17,188.47/25,780.17 = 6,663.51/x
  3. Step 3: Cross multiply
    17,188.47x = 25,780.17 × 6,663.51
  4. Step 4: Simplify right side
    17,188.47x = 171,786,420.60
  5. Step 5: Solve for x
    x = 171,786,420.60/17,188.47
  6. Step 6: Final answer
    x = 9,994.28

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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.