Home / 13,689.96-20,541.15-5,794.62

Finding the Fourth Proportional to 13,689.96, 20,541.15 and 5,794.62

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Solution

The fourth proportional to 13,689.96, 20,541.15 and 5,794.62 is: 8,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689.96 : 20,541.15 = 5,794.62 : x
  2. Step 2: Convert to fraction form
    13,689.96/20,541.15 = 5,794.62/x
  3. Step 3: Cross multiply
    13,689.96x = 20,541.15 × 5,794.62
  4. Step 4: Simplify right side
    13,689.96x = 119,028,158.61
  5. Step 5: Solve for x
    x = 119,028,158.61/13,689.96
  6. Step 6: Final answer
    x = 8,694.56

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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.