Home / 19,785.85-27,304.47-10,833.90

Finding the Fourth Proportional to 19,785.85, 27,304.47 and 10,833.90

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Solution

The fourth proportional to 19,785.85, 27,304.47 and 10,833.90 is: 14,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.85 : 27,304.47 = 10,833.90 : x
  2. Step 2: Convert to fraction form
    19,785.85/27,304.47 = 10,833.90/x
  3. Step 3: Cross multiply
    19,785.85x = 27,304.47 × 10,833.90
  4. Step 4: Simplify right side
    19,785.85x = 295,813,897.53
  5. Step 5: Solve for x
    x = 295,813,897.53/19,785.85
  6. Step 6: Final answer
    x = 14,950.78

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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.