Home / 14,655.90-20,231.19-10,469.82

Finding the Fourth Proportional to 14,655.90, 20,231.19 and 10,469.82

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Solution

The fourth proportional to 14,655.90, 20,231.19 and 10,469.82 is: 14,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.90 : 20,231.19 = 10,469.82 : x
  2. Step 2: Convert to fraction form
    14,655.90/20,231.19 = 10,469.82/x
  3. Step 3: Cross multiply
    14,655.90x = 20,231.19 × 10,469.82
  4. Step 4: Simplify right side
    14,655.90x = 211,816,917.69
  5. Step 5: Solve for x
    x = 211,816,917.69/14,655.90
  6. Step 6: Final answer
    x = 14,452.67

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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.