Home / 13,015.39-19,524.22-3,655.49

Finding the Fourth Proportional to 13,015.39, 19,524.22 and 3,655.49

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Solution

The fourth proportional to 13,015.39, 19,524.22 and 3,655.49 is: 5,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.39 : 19,524.22 = 3,655.49 : x
  2. Step 2: Convert to fraction form
    13,015.39/19,524.22 = 3,655.49/x
  3. Step 3: Cross multiply
    13,015.39x = 19,524.22 × 3,655.49
  4. Step 4: Simplify right side
    13,015.39x = 71,370,590.97
  5. Step 5: Solve for x
    x = 71,370,590.97/13,015.39
  6. Step 6: Final answer
    x = 5,483.55

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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.