Home / 13,585.92-20,372.47-7,344.25

Finding the Fourth Proportional to 13,585.92, 20,372.47 and 7,344.25

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Solution

The fourth proportional to 13,585.92, 20,372.47 and 7,344.25 is: 11,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.92 : 20,372.47 = 7,344.25 : x
  2. Step 2: Convert to fraction form
    13,585.92/20,372.47 = 7,344.25/x
  3. Step 3: Cross multiply
    13,585.92x = 20,372.47 × 7,344.25
  4. Step 4: Simplify right side
    13,585.92x = 149,620,519.90
  5. Step 5: Solve for x
    x = 149,620,519.90/13,585.92
  6. Step 6: Final answer
    x = 11,012.91

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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.