Home / 18,766.80-28,072.44-17,056.08

Finding the Fourth Proportional to 18,766.80, 28,072.44 and 17,056.08

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Solution

The fourth proportional to 18,766.80, 28,072.44 and 17,056.08 is: 25,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.80 : 28,072.44 = 17,056.08 : x
  2. Step 2: Convert to fraction form
    18,766.80/28,072.44 = 17,056.08/x
  3. Step 3: Cross multiply
    18,766.80x = 28,072.44 × 17,056.08
  4. Step 4: Simplify right side
    18,766.80x = 478,805,782.44
  5. Step 5: Solve for x
    x = 478,805,782.44/18,766.80
  6. Step 6: Final answer
    x = 25,513.45

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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.