Home / 13,560.61-20,325.30-5,236.96

Finding the Fourth Proportional to 13,560.61, 20,325.30 and 5,236.96

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Solution

The fourth proportional to 13,560.61, 20,325.30 and 5,236.96 is: 7,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.61 : 20,325.30 = 5,236.96 : x
  2. Step 2: Convert to fraction form
    13,560.61/20,325.30 = 5,236.96/x
  3. Step 3: Cross multiply
    13,560.61x = 20,325.30 × 5,236.96
  4. Step 4: Simplify right side
    13,560.61x = 106,442,783.09
  5. Step 5: Solve for x
    x = 106,442,783.09/13,560.61
  6. Step 6: Final answer
    x = 7,849.41

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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.