Home / 23,048.85-31,804.79-12,977.04

Finding the Fourth Proportional to 23,048.85, 31,804.79 and 12,977.04

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Solution

The fourth proportional to 23,048.85, 31,804.79 and 12,977.04 is: 17,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.85 : 31,804.79 = 12,977.04 : x
  2. Step 2: Convert to fraction form
    23,048.85/31,804.79 = 12,977.04/x
  3. Step 3: Cross multiply
    23,048.85x = 31,804.79 × 12,977.04
  4. Step 4: Simplify right side
    23,048.85x = 412,731,872.80
  5. Step 5: Solve for x
    x = 412,731,872.80/23,048.85
  6. Step 6: Final answer
    x = 17,906.83

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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.