Home / 13,956.49-19,243.68-10,413.55

Finding the Fourth Proportional to 13,956.49, 19,243.68 and 10,413.55

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Solution

The fourth proportional to 13,956.49, 19,243.68 and 10,413.55 is: 14,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.49 : 19,243.68 = 10,413.55 : x
  2. Step 2: Convert to fraction form
    13,956.49/19,243.68 = 10,413.55/x
  3. Step 3: Cross multiply
    13,956.49x = 19,243.68 × 10,413.55
  4. Step 4: Simplify right side
    13,956.49x = 200,395,023.86
  5. Step 5: Solve for x
    x = 200,395,023.86/13,956.49
  6. Step 6: Final answer
    x = 14,358.55

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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.