Home / 13,546.11-18,652.08-11,858.07

Finding the Fourth Proportional to 13,546.11, 18,652.08 and 11,858.07

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Solution

The fourth proportional to 13,546.11, 18,652.08 and 11,858.07 is: 16,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.11 : 18,652.08 = 11,858.07 : x
  2. Step 2: Convert to fraction form
    13,546.11/18,652.08 = 11,858.07/x
  3. Step 3: Cross multiply
    13,546.11x = 18,652.08 × 11,858.07
  4. Step 4: Simplify right side
    13,546.11x = 221,177,670.29
  5. Step 5: Solve for x
    x = 221,177,670.29/13,546.11
  6. Step 6: Final answer
    x = 16,327.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.