Home / 17,154.23-25,740.86-8,389.22

Finding the Fourth Proportional to 17,154.23, 25,740.86 and 8,389.22

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Solution

The fourth proportional to 17,154.23, 25,740.86 and 8,389.22 is: 12,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.23 : 25,740.86 = 8,389.22 : x
  2. Step 2: Convert to fraction form
    17,154.23/25,740.86 = 8,389.22/x
  3. Step 3: Cross multiply
    17,154.23x = 25,740.86 × 8,389.22
  4. Step 4: Simplify right side
    17,154.23x = 215,945,566.88
  5. Step 5: Solve for x
    x = 215,945,566.88/17,154.23
  6. Step 6: Final answer
    x = 12,588.48

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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.