Home / 14,160.16-21,240.72-4,299.41

Finding the Fourth Proportional to 14,160.16, 21,240.72 and 4,299.41

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Solution

The fourth proportional to 14,160.16, 21,240.72 and 4,299.41 is: 6,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.16 : 21,240.72 = 4,299.41 : x
  2. Step 2: Convert to fraction form
    14,160.16/21,240.72 = 4,299.41/x
  3. Step 3: Cross multiply
    14,160.16x = 21,240.72 × 4,299.41
  4. Step 4: Simplify right side
    14,160.16x = 91,322,436.27
  5. Step 5: Solve for x
    x = 91,322,436.27/14,160.16
  6. Step 6: Final answer
    x = 6,449.25

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