Home / 22,198.24-30,603.72-21,510.28

Finding the Fourth Proportional to 22,198.24, 30,603.72 and 21,510.28

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Solution

The fourth proportional to 22,198.24, 30,603.72 and 21,510.28 is: 29,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.24 : 30,603.72 = 21,510.28 : x
  2. Step 2: Convert to fraction form
    22,198.24/30,603.72 = 21,510.28/x
  3. Step 3: Cross multiply
    22,198.24x = 30,603.72 × 21,510.28
  4. Step 4: Simplify right side
    22,198.24x = 658,294,586.24
  5. Step 5: Solve for x
    x = 658,294,586.24/22,198.24
  6. Step 6: Final answer
    x = 29,655.26

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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.