Home / 17,156.78-25,739.60-10,047.02

Finding the Fourth Proportional to 17,156.78, 25,739.60 and 10,047.02

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Solution

The fourth proportional to 17,156.78, 25,739.60 and 10,047.02 is: 15,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.78 : 25,739.60 = 10,047.02 : x
  2. Step 2: Convert to fraction form
    17,156.78/25,739.60 = 10,047.02/x
  3. Step 3: Cross multiply
    17,156.78x = 25,739.60 × 10,047.02
  4. Step 4: Simplify right side
    17,156.78x = 258,606,310.53
  5. Step 5: Solve for x
    x = 258,606,310.53/17,156.78
  6. Step 6: Final answer
    x = 15,073.13

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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.