Home / 21,246.71-29,324.94-17,025.80

Finding the Fourth Proportional to 21,246.71, 29,324.94 and 17,025.80

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Solution

The fourth proportional to 21,246.71, 29,324.94 and 17,025.80 is: 23,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.71 : 29,324.94 = 17,025.80 : x
  2. Step 2: Convert to fraction form
    21,246.71/29,324.94 = 17,025.80/x
  3. Step 3: Cross multiply
    21,246.71x = 29,324.94 × 17,025.80
  4. Step 4: Simplify right side
    21,246.71x = 499,280,352.98
  5. Step 5: Solve for x
    x = 499,280,352.98/21,246.71
  6. Step 6: Final answer
    x = 23,499.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.