Home / 13,601.90-18,772.58-7,553.54

Finding the Fourth Proportional to 13,601.90, 18,772.58 and 7,553.54

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Solution

The fourth proportional to 13,601.90, 18,772.58 and 7,553.54 is: 10,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.90 : 18,772.58 = 7,553.54 : x
  2. Step 2: Convert to fraction form
    13,601.90/18,772.58 = 7,553.54/x
  3. Step 3: Cross multiply
    13,601.90x = 18,772.58 × 7,553.54
  4. Step 4: Simplify right side
    13,601.90x = 141,799,433.93
  5. Step 5: Solve for x
    x = 141,799,433.93/13,601.90
  6. Step 6: Final answer
    x = 10,424.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.