Home / 16,716.25-25,060.40-6,862.60

Finding the Fourth Proportional to 16,716.25, 25,060.40 and 6,862.60

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Solution

The fourth proportional to 16,716.25, 25,060.40 and 6,862.60 is: 10,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.25 : 25,060.40 = 6,862.60 : x
  2. Step 2: Convert to fraction form
    16,716.25/25,060.40 = 6,862.60/x
  3. Step 3: Cross multiply
    16,716.25x = 25,060.40 × 6,862.60
  4. Step 4: Simplify right side
    16,716.25x = 171,979,501.04
  5. Step 5: Solve for x
    x = 171,979,501.04/16,716.25
  6. Step 6: Final answer
    x = 10,288.16

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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.