Home / 16,789.59-23,170.23-9,236.49

Finding the Fourth Proportional to 16,789.59, 23,170.23 and 9,236.49

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Solution

The fourth proportional to 16,789.59, 23,170.23 and 9,236.49 is: 12,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.59 : 23,170.23 = 9,236.49 : x
  2. Step 2: Convert to fraction form
    16,789.59/23,170.23 = 9,236.49/x
  3. Step 3: Cross multiply
    16,789.59x = 23,170.23 × 9,236.49
  4. Step 4: Simplify right side
    16,789.59x = 214,011,551.51
  5. Step 5: Solve for x
    x = 214,011,551.51/16,789.59
  6. Step 6: Final answer
    x = 12,746.68

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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.