Home / 19,865.08-27,413.94-10,913.32

Finding the Fourth Proportional to 19,865.08, 27,413.94 and 10,913.32

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Solution

The fourth proportional to 19,865.08, 27,413.94 and 10,913.32 is: 15,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.08 : 27,413.94 = 10,913.32 : x
  2. Step 2: Convert to fraction form
    19,865.08/27,413.94 = 10,913.32/x
  3. Step 3: Cross multiply
    19,865.08x = 27,413.94 × 10,913.32
  4. Step 4: Simplify right side
    19,865.08x = 299,177,099.68
  5. Step 5: Solve for x
    x = 299,177,099.68/19,865.08
  6. Step 6: Final answer
    x = 15,060.45

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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.