Home / 20,024.81-27,633.81-11,072.69

Finding the Fourth Proportional to 20,024.81, 27,633.81 and 11,072.69

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Solution

The fourth proportional to 20,024.81, 27,633.81 and 11,072.69 is: 15,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.81 : 27,633.81 = 11,072.69 : x
  2. Step 2: Convert to fraction form
    20,024.81/27,633.81 = 11,072.69/x
  3. Step 3: Cross multiply
    20,024.81x = 27,633.81 × 11,072.69
  4. Step 4: Simplify right side
    20,024.81x = 305,980,611.65
  5. Step 5: Solve for x
    x = 305,980,611.65/20,024.81
  6. Step 6: Final answer
    x = 15,280.08

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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.