Home / 22,205.67-30,629.51-13,246.26

Finding the Fourth Proportional to 22,205.67, 30,629.51 and 13,246.26

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Solution

The fourth proportional to 22,205.67, 30,629.51 and 13,246.26 is: 18,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.67 : 30,629.51 = 13,246.26 : x
  2. Step 2: Convert to fraction form
    22,205.67/30,629.51 = 13,246.26/x
  3. Step 3: Cross multiply
    22,205.67x = 30,629.51 × 13,246.26
  4. Step 4: Simplify right side
    22,205.67x = 405,726,386.90
  5. Step 5: Solve for x
    x = 405,726,386.90/22,205.67
  6. Step 6: Final answer
    x = 18,271.30

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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.