Home / 13,469.44-18,586.49-7,501.66

Finding the Fourth Proportional to 13,469.44, 18,586.49 and 7,501.66

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Solution

The fourth proportional to 13,469.44, 18,586.49 and 7,501.66 is: 10,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.44 : 18,586.49 = 7,501.66 : x
  2. Step 2: Convert to fraction form
    13,469.44/18,586.49 = 7,501.66/x
  3. Step 3: Cross multiply
    13,469.44x = 18,586.49 × 7,501.66
  4. Step 4: Simplify right side
    13,469.44x = 139,429,549.62
  5. Step 5: Solve for x
    x = 139,429,549.62/13,469.44
  6. Step 6: Final answer
    x = 10,351.55

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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.