Home / 19,647.72-27,113.49-10,695.42

Finding the Fourth Proportional to 19,647.72, 27,113.49 and 10,695.42

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Solution

The fourth proportional to 19,647.72, 27,113.49 and 10,695.42 is: 14,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.72 : 27,113.49 = 10,695.42 : x
  2. Step 2: Convert to fraction form
    19,647.72/27,113.49 = 10,695.42/x
  3. Step 3: Cross multiply
    19,647.72x = 27,113.49 × 10,695.42
  4. Step 4: Simplify right side
    19,647.72x = 289,990,163.22
  5. Step 5: Solve for x
    x = 289,990,163.22/19,647.72
  6. Step 6: Final answer
    x = 14,759.48

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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.