Home / 19,955.42-27,538.66-11,003.24

Finding the Fourth Proportional to 19,955.42, 27,538.66 and 11,003.24

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Solution

The fourth proportional to 19,955.42, 27,538.66 and 11,003.24 is: 15,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.42 : 27,538.66 = 11,003.24 : x
  2. Step 2: Convert to fraction form
    19,955.42/27,538.66 = 11,003.24/x
  3. Step 3: Cross multiply
    19,955.42x = 27,538.66 × 11,003.24
  4. Step 4: Simplify right side
    19,955.42x = 303,014,485.26
  5. Step 5: Solve for x
    x = 303,014,485.26/19,955.42
  6. Step 6: Final answer
    x = 15,184.57

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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.