Home / 14,025.33-19,361.97-8,721.86

Finding the Fourth Proportional to 14,025.33, 19,361.97 and 8,721.86

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Solution

The fourth proportional to 14,025.33, 19,361.97 and 8,721.86 is: 12,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.33 : 19,361.97 = 8,721.86 : x
  2. Step 2: Convert to fraction form
    14,025.33/19,361.97 = 8,721.86/x
  3. Step 3: Cross multiply
    14,025.33x = 19,361.97 × 8,721.86
  4. Step 4: Simplify right side
    14,025.33x = 168,872,294.85
  5. Step 5: Solve for x
    x = 168,872,294.85/14,025.33
  6. Step 6: Final answer
    x = 12,040.52

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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.