Home / 19,777.06-27,294.87-11,393.56

Finding the Fourth Proportional to 19,777.06, 27,294.87 and 11,393.56

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Solution

The fourth proportional to 19,777.06, 27,294.87 and 11,393.56 is: 15,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.06 : 27,294.87 = 11,393.56 : x
  2. Step 2: Convert to fraction form
    19,777.06/27,294.87 = 11,393.56/x
  3. Step 3: Cross multiply
    19,777.06x = 27,294.87 × 11,393.56
  4. Step 4: Simplify right side
    19,777.06x = 310,985,739.04
  5. Step 5: Solve for x
    x = 310,985,739.04/19,777.06
  6. Step 6: Final answer
    x = 15,724.57

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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.