Home / 17,240.35-25,855.53-7,875.40

Finding the Fourth Proportional to 17,240.35, 25,855.53 and 7,875.40

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Solution

The fourth proportional to 17,240.35, 25,855.53 and 7,875.40 is: 11,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,240.35 : 25,855.53 = 7,875.40 : x
  2. Step 2: Convert to fraction form
    17,240.35/25,855.53 = 7,875.40/x
  3. Step 3: Cross multiply
    17,240.35x = 25,855.53 × 7,875.40
  4. Step 4: Simplify right side
    17,240.35x = 203,622,640.96
  5. Step 5: Solve for x
    x = 203,622,640.96/17,240.35
  6. Step 6: Final answer
    x = 11,810.82

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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.