Home / 19,946.14-27,515.56-15,222.22

Finding the Fourth Proportional to 19,946.14, 27,515.56 and 15,222.22

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Solution

The fourth proportional to 19,946.14, 27,515.56 and 15,222.22 is: 20,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.14 : 27,515.56 = 15,222.22 : x
  2. Step 2: Convert to fraction form
    19,946.14/27,515.56 = 15,222.22/x
  3. Step 3: Cross multiply
    19,946.14x = 27,515.56 × 15,222.22
  4. Step 4: Simplify right side
    19,946.14x = 418,847,907.74
  5. Step 5: Solve for x
    x = 418,847,907.74/19,946.14
  6. Step 6: Final answer
    x = 20,998.95

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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.