Home / 14,789.25-20,409.26-8,501.67

Finding the Fourth Proportional to 14,789.25, 20,409.26 and 8,501.67

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Solution

The fourth proportional to 14,789.25, 20,409.26 and 8,501.67 is: 11,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.25 : 20,409.26 = 8,501.67 : x
  2. Step 2: Convert to fraction form
    14,789.25/20,409.26 = 8,501.67/x
  3. Step 3: Cross multiply
    14,789.25x = 20,409.26 × 8,501.67
  4. Step 4: Simplify right side
    14,789.25x = 173,512,750.96
  5. Step 5: Solve for x
    x = 173,512,750.96/14,789.25
  6. Step 6: Final answer
    x = 11,732.36

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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.