Home / 42,227.54-63,320.11-14,137.94

Finding the Fourth Proportional to 42,227.54, 63,320.11 and 14,137.94

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Solution

The fourth proportional to 42,227.54, 63,320.11 and 14,137.94 is: 21,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,227.54 : 63,320.11 = 14,137.94 : x
  2. Step 2: Convert to fraction form
    42,227.54/63,320.11 = 14,137.94/x
  3. Step 3: Cross multiply
    42,227.54x = 63,320.11 × 14,137.94
  4. Step 4: Simplify right side
    42,227.54x = 895,215,915.97
  5. Step 5: Solve for x
    x = 895,215,915.97/42,227.54
  6. Step 6: Final answer
    x = 21,199.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.