Home / 22,205.16-33,325.42-11,681.32

Finding the Fourth Proportional to 22,205.16, 33,325.42 and 11,681.32

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Solution

The fourth proportional to 22,205.16, 33,325.42 and 11,681.32 is: 17,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.16 : 33,325.42 = 11,681.32 : x
  2. Step 2: Convert to fraction form
    22,205.16/33,325.42 = 11,681.32/x
  3. Step 3: Cross multiply
    22,205.16x = 33,325.42 × 11,681.32
  4. Step 4: Simplify right side
    22,205.16x = 389,284,895.15
  5. Step 5: Solve for x
    x = 389,284,895.15/22,205.16
  6. Step 6: Final answer
    x = 17,531.28

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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.