Home / 13,560.11-20,324.55-5,236.46

Finding the Fourth Proportional to 13,560.11, 20,324.55 and 5,236.46

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Solution

The fourth proportional to 13,560.11, 20,324.55 and 5,236.46 is: 7,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.11 : 20,324.55 = 5,236.46 : x
  2. Step 2: Convert to fraction form
    13,560.11/20,324.55 = 5,236.46/x
  3. Step 3: Cross multiply
    13,560.11x = 20,324.55 × 5,236.46
  4. Step 4: Simplify right side
    13,560.11x = 106,428,693.09
  5. Step 5: Solve for x
    x = 106,428,693.09/13,560.11
  6. Step 6: Final answer
    x = 7,848.66

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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.