Home / 22,012.26-30,382.35-13,516.42

Finding the Fourth Proportional to 22,012.26, 30,382.35 and 13,516.42

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Solution

The fourth proportional to 22,012.26, 30,382.35 and 13,516.42 is: 18,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.26 : 30,382.35 = 13,516.42 : x
  2. Step 2: Convert to fraction form
    22,012.26/30,382.35 = 13,516.42/x
  3. Step 3: Cross multiply
    22,012.26x = 30,382.35 × 13,516.42
  4. Step 4: Simplify right side
    22,012.26x = 410,660,603.19
  5. Step 5: Solve for x
    x = 410,660,603.19/22,012.26
  6. Step 6: Final answer
    x = 18,655.99

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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.