Home / 19,413.26-26,790.00-10,915.39

Finding the Fourth Proportional to 19,413.26, 26,790.00 and 10,915.39

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Solution

The fourth proportional to 19,413.26, 26,790.00 and 10,915.39 is: 15,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.26 : 26,790.00 = 10,915.39 : x
  2. Step 2: Convert to fraction form
    19,413.26/26,790.00 = 10,915.39/x
  3. Step 3: Cross multiply
    19,413.26x = 26,790.00 × 10,915.39
  4. Step 4: Simplify right side
    19,413.26x = 292,423,109.57
  5. Step 5: Solve for x
    x = 292,423,109.57/19,413.26
  6. Step 6: Final answer
    x = 15,063.06

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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.