Home / 27,812.70-38,381.04-17,199.54

Finding the Fourth Proportional to 27,812.70, 38,381.04 and 17,199.54

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Solution

The fourth proportional to 27,812.70, 38,381.04 and 17,199.54 is: 23,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.70 : 38,381.04 = 17,199.54 : x
  2. Step 2: Convert to fraction form
    27,812.70/38,381.04 = 17,199.54/x
  3. Step 3: Cross multiply
    27,812.70x = 38,381.04 × 17,199.54
  4. Step 4: Simplify right side
    27,812.70x = 660,136,232.72
  5. Step 5: Solve for x
    x = 660,136,232.72/27,812.70
  6. Step 6: Final answer
    x = 23,735.06

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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.