Home / 13,863.03-19,131.05-7,575.41

Finding the Fourth Proportional to 13,863.03, 19,131.05 and 7,575.41

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Solution

The fourth proportional to 13,863.03, 19,131.05 and 7,575.41 is: 10,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.03 : 19,131.05 = 7,575.41 : x
  2. Step 2: Convert to fraction form
    13,863.03/19,131.05 = 7,575.41/x
  3. Step 3: Cross multiply
    13,863.03x = 19,131.05 × 7,575.41
  4. Step 4: Simplify right side
    13,863.03x = 144,925,413.95
  5. Step 5: Solve for x
    x = 144,925,413.95/13,863.03
  6. Step 6: Final answer
    x = 10,454.09

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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.