Home / 20,176.29-30,273.35-8,332.67

Finding the Fourth Proportional to 20,176.29, 30,273.35 and 8,332.67

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Solution

The fourth proportional to 20,176.29, 30,273.35 and 8,332.67 is: 12,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.29 : 30,273.35 = 8,332.67 : x
  2. Step 2: Convert to fraction form
    20,176.29/30,273.35 = 8,332.67/x
  3. Step 3: Cross multiply
    20,176.29x = 30,273.35 × 8,332.67
  4. Step 4: Simplify right side
    20,176.29x = 252,257,869.36
  5. Step 5: Solve for x
    x = 252,257,869.36/20,176.29
  6. Step 6: Final answer
    x = 12,502.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.