Home / 14,181.48-19,571.22-7,893.72

Finding the Fourth Proportional to 14,181.48, 19,571.22 and 7,893.72

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Solution

The fourth proportional to 14,181.48, 19,571.22 and 7,893.72 is: 10,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.48 : 19,571.22 = 7,893.72 : x
  2. Step 2: Convert to fraction form
    14,181.48/19,571.22 = 7,893.72/x
  3. Step 3: Cross multiply
    14,181.48x = 19,571.22 × 7,893.72
  4. Step 4: Simplify right side
    14,181.48x = 154,489,730.74
  5. Step 5: Solve for x
    x = 154,489,730.74/14,181.48
  6. Step 6: Final answer
    x = 10,893.77

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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.