Home / 19,373.75-26,731.65-11,413.07

Finding the Fourth Proportional to 19,373.75, 26,731.65 and 11,413.07

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Solution

The fourth proportional to 19,373.75, 26,731.65 and 11,413.07 is: 15,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.75 : 26,731.65 = 11,413.07 : x
  2. Step 2: Convert to fraction form
    19,373.75/26,731.65 = 11,413.07/x
  3. Step 3: Cross multiply
    19,373.75x = 26,731.65 × 11,413.07
  4. Step 4: Simplify right side
    19,373.75x = 305,090,192.67
  5. Step 5: Solve for x
    x = 305,090,192.67/19,373.75
  6. Step 6: Final answer
    x = 15,747.61

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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.