Home / 13,270.37-19,905.13-3,275.17

Finding the Fourth Proportional to 13,270.37, 19,905.13 and 3,275.17

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Solution

The fourth proportional to 13,270.37, 19,905.13 and 3,275.17 is: 4,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.37 : 19,905.13 = 3,275.17 : x
  2. Step 2: Convert to fraction form
    13,270.37/19,905.13 = 3,275.17/x
  3. Step 3: Cross multiply
    13,270.37x = 19,905.13 × 3,275.17
  4. Step 4: Simplify right side
    13,270.37x = 65,192,713.60
  5. Step 5: Solve for x
    x = 65,192,713.60/13,270.37
  6. Step 6: Final answer
    x = 4,912.65

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1.5x scale

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.