Home / 14,405.08-21,576.28-6,993.96

Finding the Fourth Proportional to 14,405.08, 21,576.28 and 6,993.96

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Solution

The fourth proportional to 14,405.08, 21,576.28 and 6,993.96 is: 10,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.08 : 21,576.28 = 6,993.96 : x
  2. Step 2: Convert to fraction form
    14,405.08/21,576.28 = 6,993.96/x
  3. Step 3: Cross multiply
    14,405.08x = 21,576.28 × 6,993.96
  4. Step 4: Simplify right side
    14,405.08x = 150,903,639.27
  5. Step 5: Solve for x
    x = 150,903,639.27/14,405.08
  6. Step 6: Final answer
    x = 10,475.72

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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.