Home / 13,919.46-19,209.16-7,546.20

Finding the Fourth Proportional to 13,919.46, 19,209.16 and 7,546.20

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Solution

The fourth proportional to 13,919.46, 19,209.16 and 7,546.20 is: 10,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.46 : 19,209.16 = 7,546.20 : x
  2. Step 2: Convert to fraction form
    13,919.46/19,209.16 = 7,546.20/x
  3. Step 3: Cross multiply
    13,919.46x = 19,209.16 × 7,546.20
  4. Step 4: Simplify right side
    13,919.46x = 144,956,163.19
  5. Step 5: Solve for x
    x = 144,956,163.19/13,919.46
  6. Step 6: Final answer
    x = 10,413.92

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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.