Home / 19,647.08-27,110.02-11,261.96

Finding the Fourth Proportional to 19,647.08, 27,110.02 and 11,261.96

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Solution

The fourth proportional to 19,647.08, 27,110.02 and 11,261.96 is: 15,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.08 : 27,110.02 = 11,261.96 : x
  2. Step 2: Convert to fraction form
    19,647.08/27,110.02 = 11,261.96/x
  3. Step 3: Cross multiply
    19,647.08x = 27,110.02 × 11,261.96
  4. Step 4: Simplify right side
    19,647.08x = 305,311,960.84
  5. Step 5: Solve for x
    x = 305,311,960.84/19,647.08
  6. Step 6: Final answer
    x = 15,539.81

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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.