Home / 19,785.60-27,304.77-10,833.48

Finding the Fourth Proportional to 19,785.60, 27,304.77 and 10,833.48

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Solution

The fourth proportional to 19,785.60, 27,304.77 and 10,833.48 is: 14,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.60 : 27,304.77 = 10,833.48 : x
  2. Step 2: Convert to fraction form
    19,785.60/27,304.77 = 10,833.48/x
  3. Step 3: Cross multiply
    19,785.60x = 27,304.77 × 10,833.48
  4. Step 4: Simplify right side
    19,785.60x = 295,805,679.70
  5. Step 5: Solve for x
    x = 295,805,679.70/19,785.60
  6. Step 6: Final answer
    x = 14,950.55

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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.