Home / 13,541.91-20,312.84-3,682.62

Finding the Fourth Proportional to 13,541.91, 20,312.84 and 3,682.62

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Solution

The fourth proportional to 13,541.91, 20,312.84 and 3,682.62 is: 5,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.91 : 20,312.84 = 3,682.62 : x
  2. Step 2: Convert to fraction form
    13,541.91/20,312.84 = 3,682.62/x
  3. Step 3: Cross multiply
    13,541.91x = 20,312.84 × 3,682.62
  4. Step 4: Simplify right side
    13,541.91x = 74,804,452.43
  5. Step 5: Solve for x
    x = 74,804,452.43/13,541.91
  6. Step 6: Final answer
    x = 5,523.92

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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.