Home / 14,462.56-21,678.81-6,147.91

Finding the Fourth Proportional to 14,462.56, 21,678.81 and 6,147.91

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Solution

The fourth proportional to 14,462.56, 21,678.81 and 6,147.91 is: 9,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462.56 : 21,678.81 = 6,147.91 : x
  2. Step 2: Convert to fraction form
    14,462.56/21,678.81 = 6,147.91/x
  3. Step 3: Cross multiply
    14,462.56x = 21,678.81 × 6,147.91
  4. Step 4: Simplify right side
    14,462.56x = 133,279,372.79
  5. Step 5: Solve for x
    x = 133,279,372.79/14,462.56
  6. Step 6: Final answer
    x = 9,215.48

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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.