Home / 14,283.48-21,425.22-3,896.76

Finding the Fourth Proportional to 14,283.48, 21,425.22 and 3,896.76

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Solution

The fourth proportional to 14,283.48, 21,425.22 and 3,896.76 is: 5,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.48 : 21,425.22 = 3,896.76 : x
  2. Step 2: Convert to fraction form
    14,283.48/21,425.22 = 3,896.76/x
  3. Step 3: Cross multiply
    14,283.48x = 21,425.22 × 3,896.76
  4. Step 4: Simplify right side
    14,283.48x = 83,488,940.29
  5. Step 5: Solve for x
    x = 83,488,940.29/14,283.48
  6. Step 6: Final answer
    x = 5,845.14

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1.5x scale

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.