Home / 20,110.02-27,786.36-19,400.46

Finding the Fourth Proportional to 20,110.02, 27,786.36 and 19,400.46

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Solution

The fourth proportional to 20,110.02, 27,786.36 and 19,400.46 is: 26,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.02 : 27,786.36 = 19,400.46 : x
  2. Step 2: Convert to fraction form
    20,110.02/27,786.36 = 19,400.46/x
  3. Step 3: Cross multiply
    20,110.02x = 27,786.36 × 19,400.46
  4. Step 4: Simplify right side
    20,110.02x = 539,068,165.73
  5. Step 5: Solve for x
    x = 539,068,165.73/20,110.02
  6. Step 6: Final answer
    x = 26,805.95

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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.