Home / 14,943.67-20,621.86-8,571.33

Finding the Fourth Proportional to 14,943.67, 20,621.86 and 8,571.33

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Solution

The fourth proportional to 14,943.67, 20,621.86 and 8,571.33 is: 11,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.67 : 20,621.86 = 8,571.33 : x
  2. Step 2: Convert to fraction form
    14,943.67/20,621.86 = 8,571.33/x
  3. Step 3: Cross multiply
    14,943.67x = 20,621.86 × 8,571.33
  4. Step 4: Simplify right side
    14,943.67x = 176,756,745.85
  5. Step 5: Solve for x
    x = 176,756,745.85/14,943.67
  6. Step 6: Final answer
    x = 11,828.20

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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.