Home / 16,816.75-23,182.87-11,765.32

Finding the Fourth Proportional to 16,816.75, 23,182.87 and 11,765.32

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Solution

The fourth proportional to 16,816.75, 23,182.87 and 11,765.32 is: 16,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.75 : 23,182.87 = 11,765.32 : x
  2. Step 2: Convert to fraction form
    16,816.75/23,182.87 = 11,765.32/x
  3. Step 3: Cross multiply
    16,816.75x = 23,182.87 × 11,765.32
  4. Step 4: Simplify right side
    16,816.75x = 272,753,738.74
  5. Step 5: Solve for x
    x = 272,753,738.74/16,816.75
  6. Step 6: Final answer
    x = 16,219.18

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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.