Home / 13,209.44-18,227.96-7,466.54

Finding the Fourth Proportional to 13,209.44, 18,227.96 and 7,466.54

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Solution

The fourth proportional to 13,209.44, 18,227.96 and 7,466.54 is: 10,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.44 : 18,227.96 = 7,466.54 : x
  2. Step 2: Convert to fraction form
    13,209.44/18,227.96 = 7,466.54/x
  3. Step 3: Cross multiply
    13,209.44x = 18,227.96 × 7,466.54
  4. Step 4: Simplify right side
    13,209.44x = 136,099,792.46
  5. Step 5: Solve for x
    x = 136,099,792.46/13,209.44
  6. Step 6: Final answer
    x = 10,303.22

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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.