Home / 14,636.48-21,958.22-4,775.78

Finding the Fourth Proportional to 14,636.48, 21,958.22 and 4,775.78

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Solution

The fourth proportional to 14,636.48, 21,958.22 and 4,775.78 is: 7,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.48 : 21,958.22 = 4,775.78 : x
  2. Step 2: Convert to fraction form
    14,636.48/21,958.22 = 4,775.78/x
  3. Step 3: Cross multiply
    14,636.48x = 21,958.22 × 4,775.78
  4. Step 4: Simplify right side
    14,636.48x = 104,867,627.91
  5. Step 5: Solve for x
    x = 104,867,627.91/14,636.48
  6. Step 6: Final answer
    x = 7,164.81

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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.