Home / 13,245.56-19,863.95-5,346.03

Finding the Fourth Proportional to 13,245.56, 19,863.95 and 5,346.03

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Solution

The fourth proportional to 13,245.56, 19,863.95 and 5,346.03 is: 8,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.56 : 19,863.95 = 5,346.03 : x
  2. Step 2: Convert to fraction form
    13,245.56/19,863.95 = 5,346.03/x
  3. Step 3: Cross multiply
    13,245.56x = 19,863.95 × 5,346.03
  4. Step 4: Simplify right side
    13,245.56x = 106,193,245.89
  5. Step 5: Solve for x
    x = 106,193,245.89/13,245.56
  6. Step 6: Final answer
    x = 8,017.27

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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.