Home / 22,145.58-30,563.66-12,713.94

Finding the Fourth Proportional to 22,145.58, 30,563.66 and 12,713.94

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Solution

The fourth proportional to 22,145.58, 30,563.66 and 12,713.94 is: 17,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.58 : 30,563.66 = 12,713.94 : x
  2. Step 2: Convert to fraction form
    22,145.58/30,563.66 = 12,713.94/x
  3. Step 3: Cross multiply
    22,145.58x = 30,563.66 × 12,713.94
  4. Step 4: Simplify right side
    22,145.58x = 388,584,539.42
  5. Step 5: Solve for x
    x = 388,584,539.42/22,145.58
  6. Step 6: Final answer
    x = 17,546.82

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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.