Home / 13,668.17-20,493.50-5,768.54

Finding the Fourth Proportional to 13,668.17, 20,493.50 and 5,768.54

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Solution

The fourth proportional to 13,668.17, 20,493.50 and 5,768.54 is: 8,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.17 : 20,493.50 = 5,768.54 : x
  2. Step 2: Convert to fraction form
    13,668.17/20,493.50 = 5,768.54/x
  3. Step 3: Cross multiply
    13,668.17x = 20,493.50 × 5,768.54
  4. Step 4: Simplify right side
    13,668.17x = 118,217,574.49
  5. Step 5: Solve for x
    x = 118,217,574.49/13,668.17
  6. Step 6: Final answer
    x = 8,649.12

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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.