Home / 17,405.88-26,109.42-5,720.01

Finding the Fourth Proportional to 17,405.88, 26,109.42 and 5,720.01

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Solution

The fourth proportional to 17,405.88, 26,109.42 and 5,720.01 is: 8,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.88 : 26,109.42 = 5,720.01 : x
  2. Step 2: Convert to fraction form
    17,405.88/26,109.42 = 5,720.01/x
  3. Step 3: Cross multiply
    17,405.88x = 26,109.42 × 5,720.01
  4. Step 4: Simplify right side
    17,405.88x = 149,346,143.49
  5. Step 5: Solve for x
    x = 149,346,143.49/17,405.88
  6. Step 6: Final answer
    x = 8,580.21

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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.