Home / 15,051.33-20,754.41-10,271.79

Finding the Fourth Proportional to 15,051.33, 20,754.41 and 10,271.79

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Solution

The fourth proportional to 15,051.33, 20,754.41 and 10,271.79 is: 14,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.33 : 20,754.41 = 10,271.79 : x
  2. Step 2: Convert to fraction form
    15,051.33/20,754.41 = 10,271.79/x
  3. Step 3: Cross multiply
    15,051.33x = 20,754.41 × 10,271.79
  4. Step 4: Simplify right side
    15,051.33x = 213,184,889.73
  5. Step 5: Solve for x
    x = 213,184,889.73/15,051.33
  6. Step 6: Final answer
    x = 14,163.86

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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.