Home / 19,448.06-26,837.61-11,891.57

Finding the Fourth Proportional to 19,448.06, 26,837.61 and 11,891.57

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Solution

The fourth proportional to 19,448.06, 26,837.61 and 11,891.57 is: 16,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.06 : 26,837.61 = 11,891.57 : x
  2. Step 2: Convert to fraction form
    19,448.06/26,837.61 = 11,891.57/x
  3. Step 3: Cross multiply
    19,448.06x = 26,837.61 × 11,891.57
  4. Step 4: Simplify right side
    19,448.06x = 319,141,317.95
  5. Step 5: Solve for x
    x = 319,141,317.95/19,448.06
  6. Step 6: Final answer
    x = 16,409.93

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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.