Home / 13,708.42-20,553.98-11,629.16

Finding the Fourth Proportional to 13,708.42, 20,553.98 and 11,629.16

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Solution

The fourth proportional to 13,708.42, 20,553.98 and 11,629.16 is: 17,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.42 : 20,553.98 = 11,629.16 : x
  2. Step 2: Convert to fraction form
    13,708.42/20,553.98 = 11,629.16/x
  3. Step 3: Cross multiply
    13,708.42x = 20,553.98 × 11,629.16
  4. Step 4: Simplify right side
    13,708.42x = 239,025,522.06
  5. Step 5: Solve for x
    x = 239,025,522.06/13,708.42
  6. Step 6: Final answer
    x = 17,436.40

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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.