Home / 19,911.06-27,475.74-11,413.08

Finding the Fourth Proportional to 19,911.06, 27,475.74 and 11,413.08

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Solution

The fourth proportional to 19,911.06, 27,475.74 and 11,413.08 is: 15,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.06 : 27,475.74 = 11,413.08 : x
  2. Step 2: Convert to fraction form
    19,911.06/27,475.74 = 11,413.08/x
  3. Step 3: Cross multiply
    19,911.06x = 27,475.74 × 11,413.08
  4. Step 4: Simplify right side
    19,911.06x = 313,582,818.68
  5. Step 5: Solve for x
    x = 313,582,818.68/19,911.06
  6. Step 6: Final answer
    x = 15,749.18

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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.