Home / 17,243.15-25,820.81-11,381.87

Finding the Fourth Proportional to 17,243.15, 25,820.81 and 11,381.87

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Solution

The fourth proportional to 17,243.15, 25,820.81 and 11,381.87 is: 17,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.15 : 25,820.81 = 11,381.87 : x
  2. Step 2: Convert to fraction form
    17,243.15/25,820.81 = 11,381.87/x
  3. Step 3: Cross multiply
    17,243.15x = 25,820.81 × 11,381.87
  4. Step 4: Simplify right side
    17,243.15x = 293,889,045.81
  5. Step 5: Solve for x
    x = 293,889,045.81/17,243.15
  6. Step 6: Final answer
    x = 17,043.81

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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.