Home / 14,332.96-21,481.21-7,764.67

Finding the Fourth Proportional to 14,332.96, 21,481.21 and 7,764.67

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Solution

The fourth proportional to 14,332.96, 21,481.21 and 7,764.67 is: 11,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.96 : 21,481.21 = 7,764.67 : x
  2. Step 2: Convert to fraction form
    14,332.96/21,481.21 = 7,764.67/x
  3. Step 3: Cross multiply
    14,332.96x = 21,481.21 × 7,764.67
  4. Step 4: Simplify right side
    14,332.96x = 166,794,506.85
  5. Step 5: Solve for x
    x = 166,794,506.85/14,332.96
  6. Step 6: Final answer
    x = 11,637.13

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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.