Home / 14,407.74-21,614.49-5,174.46

Finding the Fourth Proportional to 14,407.74, 21,614.49 and 5,174.46

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Solution

The fourth proportional to 14,407.74, 21,614.49 and 5,174.46 is: 7,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.74 : 21,614.49 = 5,174.46 : x
  2. Step 2: Convert to fraction form
    14,407.74/21,614.49 = 5,174.46/x
  3. Step 3: Cross multiply
    14,407.74x = 21,614.49 × 5,174.46
  4. Step 4: Simplify right side
    14,407.74x = 111,843,313.93
  5. Step 5: Solve for x
    x = 111,843,313.93/14,407.74
  6. Step 6: Final answer
    x = 7,762.72

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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.