Home / 13,662.36-20,510.82-11,623.32

Finding the Fourth Proportional to 13,662.36, 20,510.82 and 11,623.32

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Solution

The fourth proportional to 13,662.36, 20,510.82 and 11,623.32 is: 17,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.36 : 20,510.82 = 11,623.32 : x
  2. Step 2: Convert to fraction form
    13,662.36/20,510.82 = 11,623.32/x
  3. Step 3: Cross multiply
    13,662.36x = 20,510.82 × 11,623.32
  4. Step 4: Simplify right side
    13,662.36x = 238,403,824.32
  5. Step 5: Solve for x
    x = 238,403,824.32/13,662.36
  6. Step 6: Final answer
    x = 17,449.68

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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.