Home / 17,242.36-25,850.40-7,875.88

Finding the Fourth Proportional to 17,242.36, 25,850.40 and 7,875.88

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Solution

The fourth proportional to 17,242.36, 25,850.40 and 7,875.88 is: 11,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.36 : 25,850.40 = 7,875.88 : x
  2. Step 2: Convert to fraction form
    17,242.36/25,850.40 = 7,875.88/x
  3. Step 3: Cross multiply
    17,242.36x = 25,850.40 × 7,875.88
  4. Step 4: Simplify right side
    17,242.36x = 203,594,648.35
  5. Step 5: Solve for x
    x = 203,594,648.35/17,242.36
  6. Step 6: Final answer
    x = 11,807.82

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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.