Home / 19,368.45-26,734.20-11,413.23

Finding the Fourth Proportional to 19,368.45, 26,734.20 and 11,413.23

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Solution

The fourth proportional to 19,368.45, 26,734.20 and 11,413.23 is: 15,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.45 : 26,734.20 = 11,413.23 : x
  2. Step 2: Convert to fraction form
    19,368.45/26,734.20 = 11,413.23/x
  3. Step 3: Cross multiply
    19,368.45x = 26,734.20 × 11,413.23
  4. Step 4: Simplify right side
    19,368.45x = 305,123,573.47
  5. Step 5: Solve for x
    x = 305,123,573.47/19,368.45
  6. Step 6: Final answer
    x = 15,753.64

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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.