Home / 13,662.90-20,497.76-10,862.33

Finding the Fourth Proportional to 13,662.90, 20,497.76 and 10,862.33

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Solution

The fourth proportional to 13,662.90, 20,497.76 and 10,862.33 is: 16,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.90 : 20,497.76 = 10,862.33 : x
  2. Step 2: Convert to fraction form
    13,662.90/20,497.76 = 10,862.33/x
  3. Step 3: Cross multiply
    13,662.90x = 20,497.76 × 10,862.33
  4. Step 4: Simplify right side
    13,662.90x = 222,653,317.31
  5. Step 5: Solve for x
    x = 222,653,317.31/13,662.90
  6. Step 6: Final answer
    x = 16,296.20

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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.