Home / 25,649.29-35,395.36-16,679.87

Finding the Fourth Proportional to 25,649.29, 35,395.36 and 16,679.87

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Solution

The fourth proportional to 25,649.29, 35,395.36 and 16,679.87 is: 23,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.29 : 35,395.36 = 16,679.87 : x
  2. Step 2: Convert to fraction form
    25,649.29/35,395.36 = 16,679.87/x
  3. Step 3: Cross multiply
    25,649.29x = 35,395.36 × 16,679.87
  4. Step 4: Simplify right side
    25,649.29x = 590,390,003.40
  5. Step 5: Solve for x
    x = 590,390,003.40/25,649.29
  6. Step 6: Final answer
    x = 23,017.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.