Home / 13,455.06-20,188.08-6,054.54

Finding the Fourth Proportional to 13,455.06, 20,188.08 and 6,054.54

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Solution

The fourth proportional to 13,455.06, 20,188.08 and 6,054.54 is: 9,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.06 : 20,188.08 = 6,054.54 : x
  2. Step 2: Convert to fraction form
    13,455.06/20,188.08 = 6,054.54/x
  3. Step 3: Cross multiply
    13,455.06x = 20,188.08 × 6,054.54
  4. Step 4: Simplify right side
    13,455.06x = 122,229,537.88
  5. Step 5: Solve for x
    x = 122,229,537.88/13,455.06
  6. Step 6: Final answer
    x = 9,084.28

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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.