Home / 20,266.44-27,966.93-12,716.82

Finding the Fourth Proportional to 20,266.44, 27,966.93 and 12,716.82

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Solution

The fourth proportional to 20,266.44, 27,966.93 and 12,716.82 is: 17,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.44 : 27,966.93 = 12,716.82 : x
  2. Step 2: Convert to fraction form
    20,266.44/27,966.93 = 12,716.82/x
  3. Step 3: Cross multiply
    20,266.44x = 27,966.93 × 12,716.82
  4. Step 4: Simplify right side
    20,266.44x = 355,650,414.76
  5. Step 5: Solve for x
    x = 355,650,414.76/20,266.44
  6. Step 6: Final answer
    x = 17,548.74

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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.