Home / 17,102.13-25,657.29-5,415.34

Finding the Fourth Proportional to 17,102.13, 25,657.29 and 5,415.34

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Solution

The fourth proportional to 17,102.13, 25,657.29 and 5,415.34 is: 8,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.13 : 25,657.29 = 5,415.34 : x
  2. Step 2: Convert to fraction form
    17,102.13/25,657.29 = 5,415.34/x
  3. Step 3: Cross multiply
    17,102.13x = 25,657.29 × 5,415.34
  4. Step 4: Simplify right side
    17,102.13x = 138,942,948.83
  5. Step 5: Solve for x
    x = 138,942,948.83/17,102.13
  6. Step 6: Final answer
    x = 8,124.31

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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.