Home / 38,859.36-58,296.60-13,901.28

Finding the Fourth Proportional to 38,859.36, 58,296.60 and 13,901.28

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Solution

The fourth proportional to 38,859.36, 58,296.60 and 13,901.28 is: 20,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.36 : 58,296.60 = 13,901.28 : x
  2. Step 2: Convert to fraction form
    38,859.36/58,296.60 = 13,901.28/x
  3. Step 3: Cross multiply
    38,859.36x = 58,296.60 × 13,901.28
  4. Step 4: Simplify right side
    38,859.36x = 810,397,359.65
  5. Step 5: Solve for x
    x = 810,397,359.65/38,859.36
  6. Step 6: Final answer
    x = 20,854.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.