Home / 18,731.84-25,846.56-12,104

Finding the Fourth Proportional to 18,731.84, 25,846.56 and 12,104

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Solution

The fourth proportional to 18,731.84, 25,846.56 and 12,104 is: 16,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.84 : 25,846.56 = 12,104 : x
  2. Step 2: Convert to fraction form
    18,731.84/25,846.56 = 12,104/x
  3. Step 3: Cross multiply
    18,731.84x = 25,846.56 × 12,104
  4. Step 4: Simplify right side
    18,731.84x = 312,846,762.24
  5. Step 5: Solve for x
    x = 312,846,762.24/18,731.84
  6. Step 6: Final answer
    x = 16,701.34

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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.