Home / 19,241.88-28,841.80-12,225.03

Finding the Fourth Proportional to 19,241.88, 28,841.80 and 12,225.03

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Solution

The fourth proportional to 19,241.88, 28,841.80 and 12,225.03 is: 18,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.88 : 28,841.80 = 12,225.03 : x
  2. Step 2: Convert to fraction form
    19,241.88/28,841.80 = 12,225.03/x
  3. Step 3: Cross multiply
    19,241.88x = 28,841.80 × 12,225.03
  4. Step 4: Simplify right side
    19,241.88x = 352,591,870.25
  5. Step 5: Solve for x
    x = 352,591,870.25/19,241.88
  6. Step 6: Final answer
    x = 18,324.19

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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.