Home / 13,512.60-18,647.76-7,544.04

Finding the Fourth Proportional to 13,512.60, 18,647.76 and 7,544.04

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Solution

The fourth proportional to 13,512.60, 18,647.76 and 7,544.04 is: 10,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.60 : 18,647.76 = 7,544.04 : x
  2. Step 2: Convert to fraction form
    13,512.60/18,647.76 = 7,544.04/x
  3. Step 3: Cross multiply
    13,512.60x = 18,647.76 × 7,544.04
  4. Step 4: Simplify right side
    13,512.60x = 140,679,447.35
  5. Step 5: Solve for x
    x = 140,679,447.35/13,512.60
  6. Step 6: Final answer
    x = 10,410.98

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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.