Home / 19,413.56-26,792.16-10,916.66

Finding the Fourth Proportional to 19,413.56, 26,792.16 and 10,916.66

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Solution

The fourth proportional to 19,413.56, 26,792.16 and 10,916.66 is: 15,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.56 : 26,792.16 = 10,916.66 : x
  2. Step 2: Convert to fraction form
    19,413.56/26,792.16 = 10,916.66/x
  3. Step 3: Cross multiply
    19,413.56x = 26,792.16 × 10,916.66
  4. Step 4: Simplify right side
    19,413.56x = 292,480,901.39
  5. Step 5: Solve for x
    x = 292,480,901.39/19,413.56
  6. Step 6: Final answer
    x = 15,065.80

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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.