Home / 13,252.96-19,878.81-3,892.60

Finding the Fourth Proportional to 13,252.96, 19,878.81 and 3,892.60

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Solution

The fourth proportional to 13,252.96, 19,878.81 and 3,892.60 is: 5,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.96 : 19,878.81 = 3,892.60 : x
  2. Step 2: Convert to fraction form
    13,252.96/19,878.81 = 3,892.60/x
  3. Step 3: Cross multiply
    13,252.96x = 19,878.81 × 3,892.60
  4. Step 4: Simplify right side
    13,252.96x = 77,380,255.81
  5. Step 5: Solve for x
    x = 77,380,255.81/13,252.96
  6. Step 6: Final answer
    x = 5,838.71

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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.