Home / 18,204.96-27,120.75-17,073.21

Finding the Fourth Proportional to 18,204.96, 27,120.75 and 17,073.21

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Solution

The fourth proportional to 18,204.96, 27,120.75 and 17,073.21 is: 25,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.96 : 27,120.75 = 17,073.21 : x
  2. Step 2: Convert to fraction form
    18,204.96/27,120.75 = 17,073.21/x
  3. Step 3: Cross multiply
    18,204.96x = 27,120.75 × 17,073.21
  4. Step 4: Simplify right side
    18,204.96x = 463,038,260.11
  5. Step 5: Solve for x
    x = 463,038,260.11/18,204.96
  6. Step 6: Final answer
    x = 25,434.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.