Home / 16,687.50-23,028.75-9,618.03

Finding the Fourth Proportional to 16,687.50, 23,028.75 and 9,618.03

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Solution

The fourth proportional to 16,687.50, 23,028.75 and 9,618.03 is: 13,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.50 : 23,028.75 = 9,618.03 : x
  2. Step 2: Convert to fraction form
    16,687.50/23,028.75 = 9,618.03/x
  3. Step 3: Cross multiply
    16,687.50x = 23,028.75 × 9,618.03
  4. Step 4: Simplify right side
    16,687.50x = 221,491,208.36
  5. Step 5: Solve for x
    x = 221,491,208.36/16,687.50
  6. Step 6: Final answer
    x = 13,272.88

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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.