Home / 16,742.46-23,107.78-11,077.32

Finding the Fourth Proportional to 16,742.46, 23,107.78 and 11,077.32

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Solution

The fourth proportional to 16,742.46, 23,107.78 and 11,077.32 is: 15,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.46 : 23,107.78 = 11,077.32 : x
  2. Step 2: Convert to fraction form
    16,742.46/23,107.78 = 11,077.32/x
  3. Step 3: Cross multiply
    16,742.46x = 23,107.78 × 11,077.32
  4. Step 4: Simplify right side
    16,742.46x = 255,972,273.55
  5. Step 5: Solve for x
    x = 255,972,273.55/16,742.46
  6. Step 6: Final answer
    x = 15,288.81

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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.