Home / 16,871.70-25,307.82-7,509.54

Finding the Fourth Proportional to 16,871.70, 25,307.82 and 7,509.54

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Solution

The fourth proportional to 16,871.70, 25,307.82 and 7,509.54 is: 11,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.70 : 25,307.82 = 7,509.54 : x
  2. Step 2: Convert to fraction form
    16,871.70/25,307.82 = 7,509.54/x
  3. Step 3: Cross multiply
    16,871.70x = 25,307.82 × 7,509.54
  4. Step 4: Simplify right side
    16,871.70x = 190,050,086.60
  5. Step 5: Solve for x
    x = 190,050,086.60/16,871.70
  6. Step 6: Final answer
    x = 11,264.43

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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.