Home / 13,202.93-18,225.75-7,896.72

Finding the Fourth Proportional to 13,202.93, 18,225.75 and 7,896.72

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Solution

The fourth proportional to 13,202.93, 18,225.75 and 7,896.72 is: 10,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.93 : 18,225.75 = 7,896.72 : x
  2. Step 2: Convert to fraction form
    13,202.93/18,225.75 = 7,896.72/x
  3. Step 3: Cross multiply
    13,202.93x = 18,225.75 × 7,896.72
  4. Step 4: Simplify right side
    13,202.93x = 143,923,644.54
  5. Step 5: Solve for x
    x = 143,923,644.54/13,202.93
  6. Step 6: Final answer
    x = 10,900.89

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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.