Home / 19,603.24-27,051.62-11,219.56

Finding the Fourth Proportional to 19,603.24, 27,051.62 and 11,219.56

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Solution

The fourth proportional to 19,603.24, 27,051.62 and 11,219.56 is: 15,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.24 : 27,051.62 = 11,219.56 : x
  2. Step 2: Convert to fraction form
    19,603.24/27,051.62 = 11,219.56/x
  3. Step 3: Cross multiply
    19,603.24x = 27,051.62 × 11,219.56
  4. Step 4: Simplify right side
    19,603.24x = 303,507,273.69
  5. Step 5: Solve for x
    x = 303,507,273.69/19,603.24
  6. Step 6: Final answer
    x = 15,482.51

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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.