Home / 19,551.38-26,951.04-11,983.68

Finding the Fourth Proportional to 19,551.38, 26,951.04 and 11,983.68

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Solution

The fourth proportional to 19,551.38, 26,951.04 and 11,983.68 is: 16,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.38 : 26,951.04 = 11,983.68 : x
  2. Step 2: Convert to fraction form
    19,551.38/26,951.04 = 11,983.68/x
  3. Step 3: Cross multiply
    19,551.38x = 26,951.04 × 11,983.68
  4. Step 4: Simplify right side
    19,551.38x = 322,972,639.03
  5. Step 5: Solve for x
    x = 322,972,639.03/19,551.38
  6. Step 6: Final answer
    x = 16,519.18

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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.