Home / 13,224.97-18,227.73-12,602.13

Finding the Fourth Proportional to 13,224.97, 18,227.73 and 12,602.13

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Solution

The fourth proportional to 13,224.97, 18,227.73 and 12,602.13 is: 17,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.97 : 18,227.73 = 12,602.13 : x
  2. Step 2: Convert to fraction form
    13,224.97/18,227.73 = 12,602.13/x
  3. Step 3: Cross multiply
    13,224.97x = 18,227.73 × 12,602.13
  4. Step 4: Simplify right side
    13,224.97x = 229,708,304.50
  5. Step 5: Solve for x
    x = 229,708,304.50/13,224.97
  6. Step 6: Final answer
    x = 17,369.29

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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.