Home / 14,744.43-20,347.11-8,456.67

Finding the Fourth Proportional to 14,744.43, 20,347.11 and 8,456.67

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Solution

The fourth proportional to 14,744.43, 20,347.11 and 8,456.67 is: 11,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.43 : 20,347.11 = 8,456.67 : x
  2. Step 2: Convert to fraction form
    14,744.43/20,347.11 = 8,456.67/x
  3. Step 3: Cross multiply
    14,744.43x = 20,347.11 × 8,456.67
  4. Step 4: Simplify right side
    14,744.43x = 172,068,794.72
  5. Step 5: Solve for x
    x = 172,068,794.72/14,744.43
  6. Step 6: Final answer
    x = 11,670.09

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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.