Home / 16,990.63-23,442.21-10,271.37

Finding the Fourth Proportional to 16,990.63, 23,442.21 and 10,271.37

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Solution

The fourth proportional to 16,990.63, 23,442.21 and 10,271.37 is: 14,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.63 : 23,442.21 = 10,271.37 : x
  2. Step 2: Convert to fraction form
    16,990.63/23,442.21 = 10,271.37/x
  3. Step 3: Cross multiply
    16,990.63x = 23,442.21 × 10,271.37
  4. Step 4: Simplify right side
    16,990.63x = 240,783,700.44
  5. Step 5: Solve for x
    x = 240,783,700.44/16,990.63
  6. Step 6: Final answer
    x = 14,171.56

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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.