Home / 14,943.10-20,620.67-8,227.46

Finding the Fourth Proportional to 14,943.10, 20,620.67 and 8,227.46

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Solution

The fourth proportional to 14,943.10, 20,620.67 and 8,227.46 is: 11,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.10 : 20,620.67 = 8,227.46 : x
  2. Step 2: Convert to fraction form
    14,943.10/20,620.67 = 8,227.46/x
  3. Step 3: Cross multiply
    14,943.10x = 20,620.67 × 8,227.46
  4. Step 4: Simplify right side
    14,943.10x = 169,655,737.60
  5. Step 5: Solve for x
    x = 169,655,737.60/14,943.10
  6. Step 6: Final answer
    x = 11,353.45

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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.