Home / 14,147.60-21,222.78-5,263.41

Finding the Fourth Proportional to 14,147.60, 21,222.78 and 5,263.41

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Solution

The fourth proportional to 14,147.60, 21,222.78 and 5,263.41 is: 7,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.60 : 21,222.78 = 5,263.41 : x
  2. Step 2: Convert to fraction form
    14,147.60/21,222.78 = 5,263.41/x
  3. Step 3: Cross multiply
    14,147.60x = 21,222.78 × 5,263.41
  4. Step 4: Simplify right side
    14,147.60x = 111,704,192.48
  5. Step 5: Solve for x
    x = 111,704,192.48/14,147.60
  6. Step 6: Final answer
    x = 7,895.63

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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.