Home / 13,227.96-18,253.29-7,922.67

Finding the Fourth Proportional to 13,227.96, 18,253.29 and 7,922.67

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Solution

The fourth proportional to 13,227.96, 18,253.29 and 7,922.67 is: 10,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.96 : 18,253.29 = 7,922.67 : x
  2. Step 2: Convert to fraction form
    13,227.96/18,253.29 = 7,922.67/x
  3. Step 3: Cross multiply
    13,227.96x = 18,253.29 × 7,922.67
  4. Step 4: Simplify right side
    13,227.96x = 144,614,793.08
  5. Step 5: Solve for x
    x = 144,614,793.08/13,227.96
  6. Step 6: Final answer
    x = 10,932.51

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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.