Home / 22,169.90-30,597.54-12,738.26

Finding the Fourth Proportional to 22,169.90, 30,597.54 and 12,738.26

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Solution

The fourth proportional to 22,169.90, 30,597.54 and 12,738.26 is: 17,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.90 : 30,597.54 = 12,738.26 : x
  2. Step 2: Convert to fraction form
    22,169.90/30,597.54 = 12,738.26/x
  3. Step 3: Cross multiply
    22,169.90x = 30,597.54 × 12,738.26
  4. Step 4: Simplify right side
    22,169.90x = 389,759,419.88
  5. Step 5: Solve for x
    x = 389,759,419.88/22,169.90
  6. Step 6: Final answer
    x = 17,580.57

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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.