Home / 14,045.26-21,057.30-8,497.42

Finding the Fourth Proportional to 14,045.26, 21,057.30 and 8,497.42

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Solution

The fourth proportional to 14,045.26, 21,057.30 and 8,497.42 is: 12,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.26 : 21,057.30 = 8,497.42 : x
  2. Step 2: Convert to fraction form
    14,045.26/21,057.30 = 8,497.42/x
  3. Step 3: Cross multiply
    14,045.26x = 21,057.30 × 8,497.42
  4. Step 4: Simplify right side
    14,045.26x = 178,932,722.17
  5. Step 5: Solve for x
    x = 178,932,722.17/14,045.26
  6. Step 6: Final answer
    x = 12,739.72

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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.