Home / 16,914.51-23,348.61-15,143.04

Finding the Fourth Proportional to 16,914.51, 23,348.61 and 15,143.04

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Solution

The fourth proportional to 16,914.51, 23,348.61 and 15,143.04 is: 20,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.51 : 23,348.61 = 15,143.04 : x
  2. Step 2: Convert to fraction form
    16,914.51/23,348.61 = 15,143.04/x
  3. Step 3: Cross multiply
    16,914.51x = 23,348.61 × 15,143.04
  4. Step 4: Simplify right side
    16,914.51x = 353,568,935.17
  5. Step 5: Solve for x
    x = 353,568,935.17/16,914.51
  6. Step 6: Final answer
    x = 20,903.29

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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.