Home / 13,625.62-20,431.23-7,050.58

Finding the Fourth Proportional to 13,625.62, 20,431.23 and 7,050.58

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Solution

The fourth proportional to 13,625.62, 20,431.23 and 7,050.58 is: 10,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.62 : 20,431.23 = 7,050.58 : x
  2. Step 2: Convert to fraction form
    13,625.62/20,431.23 = 7,050.58/x
  3. Step 3: Cross multiply
    13,625.62x = 20,431.23 × 7,050.58
  4. Step 4: Simplify right side
    13,625.62x = 144,052,021.61
  5. Step 5: Solve for x
    x = 144,052,021.61/13,625.62
  6. Step 6: Final answer
    x = 10,572.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.