Home / 13,562.03-18,716.57-7,512.85

Finding the Fourth Proportional to 13,562.03, 18,716.57 and 7,512.85

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Solution

The fourth proportional to 13,562.03, 18,716.57 and 7,512.85 is: 10,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.03 : 18,716.57 = 7,512.85 : x
  2. Step 2: Convert to fraction form
    13,562.03/18,716.57 = 7,512.85/x
  3. Step 3: Cross multiply
    13,562.03x = 18,716.57 × 7,512.85
  4. Step 4: Simplify right side
    13,562.03x = 140,614,796.93
  5. Step 5: Solve for x
    x = 140,614,796.93/13,562.03
  6. Step 6: Final answer
    x = 10,368.27

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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.