Home / 18,739.14-25,862.64-12,043.87

Finding the Fourth Proportional to 18,739.14, 25,862.64 and 12,043.87

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Solution

The fourth proportional to 18,739.14, 25,862.64 and 12,043.87 is: 16,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.14 : 25,862.64 = 12,043.87 : x
  2. Step 2: Convert to fraction form
    18,739.14/25,862.64 = 12,043.87/x
  3. Step 3: Cross multiply
    18,739.14x = 25,862.64 × 12,043.87
  4. Step 4: Simplify right side
    18,739.14x = 311,486,274.02
  5. Step 5: Solve for x
    x = 311,486,274.02/18,739.14
  6. Step 6: Final answer
    x = 16,622.23

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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.