Home / 18,758.89-25,866.66-12,041.98

Finding the Fourth Proportional to 18,758.89, 25,866.66 and 12,041.98

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Solution

The fourth proportional to 18,758.89, 25,866.66 and 12,041.98 is: 16,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.89 : 25,866.66 = 12,041.98 : x
  2. Step 2: Convert to fraction form
    18,758.89/25,866.66 = 12,041.98/x
  3. Step 3: Cross multiply
    18,758.89x = 25,866.66 × 12,041.98
  4. Step 4: Simplify right side
    18,758.89x = 311,485,802.39
  5. Step 5: Solve for x
    x = 311,485,802.39/18,758.89
  6. Step 6: Final answer
    x = 16,604.70

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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.