Home / 17,038.86-25,548.26-7,172.75

Finding the Fourth Proportional to 17,038.86, 25,548.26 and 7,172.75

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Solution

The fourth proportional to 17,038.86, 25,548.26 and 7,172.75 is: 10,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.86 : 25,548.26 = 7,172.75 : x
  2. Step 2: Convert to fraction form
    17,038.86/25,548.26 = 7,172.75/x
  3. Step 3: Cross multiply
    17,038.86x = 25,548.26 × 7,172.75
  4. Step 4: Simplify right side
    17,038.86x = 183,251,350.27
  5. Step 5: Solve for x
    x = 183,251,350.27/17,038.86
  6. Step 6: Final answer
    x = 10,754.91

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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.