Home / 19,785.72-27,304.14-10,833.06

Finding the Fourth Proportional to 19,785.72, 27,304.14 and 10,833.06

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Solution

The fourth proportional to 19,785.72, 27,304.14 and 10,833.06 is: 14,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.72 : 27,304.14 = 10,833.06 : x
  2. Step 2: Convert to fraction form
    19,785.72/27,304.14 = 10,833.06/x
  3. Step 3: Cross multiply
    19,785.72x = 27,304.14 × 10,833.06
  4. Step 4: Simplify right side
    19,785.72x = 295,787,386.87
  5. Step 5: Solve for x
    x = 295,787,386.87/19,785.72
  6. Step 6: Final answer
    x = 14,949.54

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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.