Home / 13,025.53-17,965.31-11,211.64

Finding the Fourth Proportional to 13,025.53, 17,965.31 and 11,211.64

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Solution

The fourth proportional to 13,025.53, 17,965.31 and 11,211.64 is: 15,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.53 : 17,965.31 = 11,211.64 : x
  2. Step 2: Convert to fraction form
    13,025.53/17,965.31 = 11,211.64/x
  3. Step 3: Cross multiply
    13,025.53x = 17,965.31 × 11,211.64
  4. Step 4: Simplify right side
    13,025.53x = 201,420,470.35
  5. Step 5: Solve for x
    x = 201,420,470.35/13,025.53
  6. Step 6: Final answer
    x = 15,463.52

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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.