Home / 14,540.72-21,807.16-6,216.60

Finding the Fourth Proportional to 14,540.72, 21,807.16 and 6,216.60

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Solution

The fourth proportional to 14,540.72, 21,807.16 and 6,216.60 is: 9,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.72 : 21,807.16 = 6,216.60 : x
  2. Step 2: Convert to fraction form
    14,540.72/21,807.16 = 6,216.60/x
  3. Step 3: Cross multiply
    14,540.72x = 21,807.16 × 6,216.60
  4. Step 4: Simplify right side
    14,540.72x = 135,566,390.86
  5. Step 5: Solve for x
    x = 135,566,390.86/14,540.72
  6. Step 6: Final answer
    x = 9,323.22

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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.