Home / 19,908.55-27,472.53-11,410.57

Finding the Fourth Proportional to 19,908.55, 27,472.53 and 11,410.57

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Solution

The fourth proportional to 19,908.55, 27,472.53 and 11,410.57 is: 15,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.55 : 27,472.53 = 11,410.57 : x
  2. Step 2: Convert to fraction form
    19,908.55/27,472.53 = 11,410.57/x
  3. Step 3: Cross multiply
    19,908.55x = 27,472.53 × 11,410.57
  4. Step 4: Simplify right side
    19,908.55x = 313,477,226.64
  5. Step 5: Solve for x
    x = 313,477,226.64/19,908.55
  6. Step 6: Final answer
    x = 15,745.86

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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.