Home / 26,012.81-39,019.21-11,022.29

Finding the Fourth Proportional to 26,012.81, 39,019.21 and 11,022.29

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Solution

The fourth proportional to 26,012.81, 39,019.21 and 11,022.29 is: 16,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.81 : 39,019.21 = 11,022.29 : x
  2. Step 2: Convert to fraction form
    26,012.81/39,019.21 = 11,022.29/x
  3. Step 3: Cross multiply
    26,012.81x = 39,019.21 × 11,022.29
  4. Step 4: Simplify right side
    26,012.81x = 430,080,797.98
  5. Step 5: Solve for x
    x = 430,080,797.98/26,012.81
  6. Step 6: Final answer
    x = 16,533.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.