Home / 14,936.07-20,618.78-8,647.23

Finding the Fourth Proportional to 14,936.07, 20,618.78 and 8,647.23

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Solution

The fourth proportional to 14,936.07, 20,618.78 and 8,647.23 is: 11,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.07 : 20,618.78 = 8,647.23 : x
  2. Step 2: Convert to fraction form
    14,936.07/20,618.78 = 8,647.23/x
  3. Step 3: Cross multiply
    14,936.07x = 20,618.78 × 8,647.23
  4. Step 4: Simplify right side
    14,936.07x = 178,295,289.74
  5. Step 5: Solve for x
    x = 178,295,289.74/14,936.07
  6. Step 6: Final answer
    x = 11,937.23

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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.