Home / 18,763.44-25,893.56-10,805.50

Finding the Fourth Proportional to 18,763.44, 25,893.56 and 10,805.50

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Solution

The fourth proportional to 18,763.44, 25,893.56 and 10,805.50 is: 14,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.44 : 25,893.56 = 10,805.50 : x
  2. Step 2: Convert to fraction form
    18,763.44/25,893.56 = 10,805.50/x
  3. Step 3: Cross multiply
    18,763.44x = 25,893.56 × 10,805.50
  4. Step 4: Simplify right side
    18,763.44x = 279,792,679.08
  5. Step 5: Solve for x
    x = 279,792,679.08/18,763.44
  6. Step 6: Final answer
    x = 14,911.59

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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.