Home / 13,974.74-19,284.28-7,601.28

Finding the Fourth Proportional to 13,974.74, 19,284.28 and 7,601.28

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Solution

The fourth proportional to 13,974.74, 19,284.28 and 7,601.28 is: 10,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.74 : 19,284.28 = 7,601.28 : x
  2. Step 2: Convert to fraction form
    13,974.74/19,284.28 = 7,601.28/x
  3. Step 3: Cross multiply
    13,974.74x = 19,284.28 × 7,601.28
  4. Step 4: Simplify right side
    13,974.74x = 146,585,146.91
  5. Step 5: Solve for x
    x = 146,585,146.91/13,974.74
  6. Step 6: Final answer
    x = 10,489.29

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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.