Home / 13,532.04-18,672.60-7,481.47

Finding the Fourth Proportional to 13,532.04, 18,672.60 and 7,481.47

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Solution

The fourth proportional to 13,532.04, 18,672.60 and 7,481.47 is: 10,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.04 : 18,672.60 = 7,481.47 : x
  2. Step 2: Convert to fraction form
    13,532.04/18,672.60 = 7,481.47/x
  3. Step 3: Cross multiply
    13,532.04x = 18,672.60 × 7,481.47
  4. Step 4: Simplify right side
    13,532.04x = 139,698,496.72
  5. Step 5: Solve for x
    x = 139,698,496.72/13,532.04
  6. Step 6: Final answer
    x = 10,323.54

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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.