Home / 19,955.62-27,538.70-11,003.26

Finding the Fourth Proportional to 19,955.62, 27,538.70 and 11,003.26

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Solution

The fourth proportional to 19,955.62, 27,538.70 and 11,003.26 is: 15,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.62 : 27,538.70 = 11,003.26 : x
  2. Step 2: Convert to fraction form
    19,955.62/27,538.70 = 11,003.26/x
  3. Step 3: Cross multiply
    19,955.62x = 27,538.70 × 11,003.26
  4. Step 4: Simplify right side
    19,955.62x = 303,015,465.83
  5. Step 5: Solve for x
    x = 303,015,465.83/19,955.62
  6. Step 6: Final answer
    x = 15,184.47

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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.