Home / 16,768.24-23,140.04-9,111.44

Finding the Fourth Proportional to 16,768.24, 23,140.04 and 9,111.44

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Solution

The fourth proportional to 16,768.24, 23,140.04 and 9,111.44 is: 12,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.24 : 23,140.04 = 9,111.44 : x
  2. Step 2: Convert to fraction form
    16,768.24/23,140.04 = 9,111.44/x
  3. Step 3: Cross multiply
    16,768.24x = 23,140.04 × 9,111.44
  4. Step 4: Simplify right side
    16,768.24x = 210,839,086.06
  5. Step 5: Solve for x
    x = 210,839,086.06/16,768.24
  6. Step 6: Final answer
    x = 12,573.72

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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.