Home / 22,220.11-30,662.49-13,024.45

Finding the Fourth Proportional to 22,220.11, 30,662.49 and 13,024.45

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Solution

The fourth proportional to 22,220.11, 30,662.49 and 13,024.45 is: 17,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.11 : 30,662.49 = 13,024.45 : x
  2. Step 2: Convert to fraction form
    22,220.11/30,662.49 = 13,024.45/x
  3. Step 3: Cross multiply
    22,220.11x = 30,662.49 × 13,024.45
  4. Step 4: Simplify right side
    22,220.11x = 399,362,067.88
  5. Step 5: Solve for x
    x = 399,362,067.88/22,220.11
  6. Step 6: Final answer
    x = 17,973.00

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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.