Home / 16,955.97-23,418.99-13,564.75

Finding the Fourth Proportional to 16,955.97, 23,418.99 and 13,564.75

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Solution

The fourth proportional to 16,955.97, 23,418.99 and 13,564.75 is: 18,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.97 : 23,418.99 = 13,564.75 : x
  2. Step 2: Convert to fraction form
    16,955.97/23,418.99 = 13,564.75/x
  3. Step 3: Cross multiply
    16,955.97x = 23,418.99 × 13,564.75
  4. Step 4: Simplify right side
    16,955.97x = 317,672,729.97
  5. Step 5: Solve for x
    x = 317,672,729.97/16,955.97
  6. Step 6: Final answer
    x = 18,735.16

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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.