Home / 13,825.26-19,079.76-7,854.66

Finding the Fourth Proportional to 13,825.26, 19,079.76 and 7,854.66

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Solution

The fourth proportional to 13,825.26, 19,079.76 and 7,854.66 is: 10,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.26 : 19,079.76 = 7,854.66 : x
  2. Step 2: Convert to fraction form
    13,825.26/19,079.76 = 7,854.66/x
  3. Step 3: Cross multiply
    13,825.26x = 19,079.76 × 7,854.66
  4. Step 4: Simplify right side
    13,825.26x = 149,865,027.68
  5. Step 5: Solve for x
    x = 149,865,027.68/13,825.26
  6. Step 6: Final answer
    x = 10,839.94

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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.