Home / 13,724.55-20,579.07-4,362.84

Finding the Fourth Proportional to 13,724.55, 20,579.07 and 4,362.84

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Solution

The fourth proportional to 13,724.55, 20,579.07 and 4,362.84 is: 6,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.55 : 20,579.07 = 4,362.84 : x
  2. Step 2: Convert to fraction form
    13,724.55/20,579.07 = 4,362.84/x
  3. Step 3: Cross multiply
    13,724.55x = 20,579.07 × 4,362.84
  4. Step 4: Simplify right side
    13,724.55x = 89,783,189.76
  5. Step 5: Solve for x
    x = 89,783,189.76/13,724.55
  6. Step 6: Final answer
    x = 6,541.79

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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.