Home / 14,941.77-20,619.50-8,227.28

Finding the Fourth Proportional to 14,941.77, 20,619.50 and 8,227.28

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Solution

The fourth proportional to 14,941.77, 20,619.50 and 8,227.28 is: 11,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.77 : 20,619.50 = 8,227.28 : x
  2. Step 2: Convert to fraction form
    14,941.77/20,619.50 = 8,227.28/x
  3. Step 3: Cross multiply
    14,941.77x = 20,619.50 × 8,227.28
  4. Step 4: Simplify right side
    14,941.77x = 169,642,255.73
  5. Step 5: Solve for x
    x = 169,642,255.73/14,941.77
  6. Step 6: Final answer
    x = 11,353.56

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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.