Home / 16,512.21-22,785.35-9,796.68

Finding the Fourth Proportional to 16,512.21, 22,785.35 and 9,796.68

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Solution

The fourth proportional to 16,512.21, 22,785.35 and 9,796.68 is: 13,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.21 : 22,785.35 = 9,796.68 : x
  2. Step 2: Convert to fraction form
    16,512.21/22,785.35 = 9,796.68/x
  3. Step 3: Cross multiply
    16,512.21x = 22,785.35 × 9,796.68
  4. Step 4: Simplify right side
    16,512.21x = 223,220,733.65
  5. Step 5: Solve for x
    x = 223,220,733.65/16,512.21
  6. Step 6: Final answer
    x = 13,518.53

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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.