Home / 18,501.44-27,756.25-8,635.33

Finding the Fourth Proportional to 18,501.44, 27,756.25 and 8,635.33

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Solution

The fourth proportional to 18,501.44, 27,756.25 and 8,635.33 is: 12,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.44 : 27,756.25 = 8,635.33 : x
  2. Step 2: Convert to fraction form
    18,501.44/27,756.25 = 8,635.33/x
  3. Step 3: Cross multiply
    18,501.44x = 27,756.25 × 8,635.33
  4. Step 4: Simplify right side
    18,501.44x = 239,684,378.31
  5. Step 5: Solve for x
    x = 239,684,378.31/18,501.44
  6. Step 6: Final answer
    x = 12,954.91

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1.5x scale

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.