Home / 14,232.56-21,353.40-6,439.28

Finding the Fourth Proportional to 14,232.56, 21,353.40 and 6,439.28

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Solution

The fourth proportional to 14,232.56, 21,353.40 and 6,439.28 is: 9,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.56 : 21,353.40 = 6,439.28 : x
  2. Step 2: Convert to fraction form
    14,232.56/21,353.40 = 6,439.28/x
  3. Step 3: Cross multiply
    14,232.56x = 21,353.40 × 6,439.28
  4. Step 4: Simplify right side
    14,232.56x = 137,500,521.55
  5. Step 5: Solve for x
    x = 137,500,521.55/14,232.56
  6. Step 6: Final answer
    x = 9,660.98

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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.