Home / 16,785.60-23,166.48-9,617.76

Finding the Fourth Proportional to 16,785.60, 23,166.48 and 9,617.76

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Solution

The fourth proportional to 16,785.60, 23,166.48 and 9,617.76 is: 13,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.60 : 23,166.48 = 9,617.76 : x
  2. Step 2: Convert to fraction form
    16,785.60/23,166.48 = 9,617.76/x
  3. Step 3: Cross multiply
    16,785.60x = 23,166.48 × 9,617.76
  4. Step 4: Simplify right side
    16,785.60x = 222,809,644.68
  5. Step 5: Solve for x
    x = 222,809,644.68/16,785.60
  6. Step 6: Final answer
    x = 13,273.86

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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.