Home / 19,785.36-27,304.11-10,833.72

Finding the Fourth Proportional to 19,785.36, 27,304.11 and 10,833.72

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Solution

The fourth proportional to 19,785.36, 27,304.11 and 10,833.72 is: 14,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.36 : 27,304.11 = 10,833.72 : x
  2. Step 2: Convert to fraction form
    19,785.36/27,304.11 = 10,833.72/x
  3. Step 3: Cross multiply
    19,785.36x = 27,304.11 × 10,833.72
  4. Step 4: Simplify right side
    19,785.36x = 295,805,082.59
  5. Step 5: Solve for x
    x = 295,805,082.59/19,785.36
  6. Step 6: Final answer
    x = 14,950.71

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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.