Home / 22,197.24-30,602.34-21,509.28

Finding the Fourth Proportional to 22,197.24, 30,602.34 and 21,509.28

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Solution

The fourth proportional to 22,197.24, 30,602.34 and 21,509.28 is: 29,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.24 : 30,602.34 = 21,509.28 : x
  2. Step 2: Convert to fraction form
    22,197.24/30,602.34 = 21,509.28/x
  3. Step 3: Cross multiply
    22,197.24x = 30,602.34 × 21,509.28
  4. Step 4: Simplify right side
    22,197.24x = 658,234,299.72
  5. Step 5: Solve for x
    x = 658,234,299.72/22,197.24
  6. Step 6: Final answer
    x = 29,653.88

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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.