Home / 27,896.64-41,859.36-18,543.12

Finding the Fourth Proportional to 27,896.64, 41,859.36 and 18,543.12

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Solution

The fourth proportional to 27,896.64, 41,859.36 and 18,543.12 is: 27,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.64 : 41,859.36 = 18,543.12 : x
  2. Step 2: Convert to fraction form
    27,896.64/41,859.36 = 18,543.12/x
  3. Step 3: Cross multiply
    27,896.64x = 41,859.36 × 18,543.12
  4. Step 4: Simplify right side
    27,896.64x = 776,203,135.60
  5. Step 5: Solve for x
    x = 776,203,135.60/27,896.64
  6. Step 6: Final answer
    x = 27,824.25

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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.