Home / 13,974.52-20,955.62-7,399.17

Finding the Fourth Proportional to 13,974.52, 20,955.62 and 7,399.17

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Solution

The fourth proportional to 13,974.52, 20,955.62 and 7,399.17 is: 11,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.52 : 20,955.62 = 7,399.17 : x
  2. Step 2: Convert to fraction form
    13,974.52/20,955.62 = 7,399.17/x
  3. Step 3: Cross multiply
    13,974.52x = 20,955.62 × 7,399.17
  4. Step 4: Simplify right side
    13,974.52x = 155,054,194.84
  5. Step 5: Solve for x
    x = 155,054,194.84/13,974.52
  6. Step 6: Final answer
    x = 11,095.49

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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.