Home / 22,272.25-30,736.19-12,711.94

Finding the Fourth Proportional to 22,272.25, 30,736.19 and 12,711.94

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Solution

The fourth proportional to 22,272.25, 30,736.19 and 12,711.94 is: 17,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.25 : 30,736.19 = 12,711.94 : x
  2. Step 2: Convert to fraction form
    22,272.25/30,736.19 = 12,711.94/x
  3. Step 3: Cross multiply
    22,272.25x = 30,736.19 × 12,711.94
  4. Step 4: Simplify right side
    22,272.25x = 390,716,603.11
  5. Step 5: Solve for x
    x = 390,716,603.11/22,272.25
  6. Step 6: Final answer
    x = 17,542.75

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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.