Home / 16,679.15-23,025.60-12,893.75

Finding the Fourth Proportional to 16,679.15, 23,025.60 and 12,893.75

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Solution

The fourth proportional to 16,679.15, 23,025.60 and 12,893.75 is: 17,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.15 : 23,025.60 = 12,893.75 : x
  2. Step 2: Convert to fraction form
    16,679.15/23,025.60 = 12,893.75/x
  3. Step 3: Cross multiply
    16,679.15x = 23,025.60 × 12,893.75
  4. Step 4: Simplify right side
    16,679.15x = 296,886,301.22
  5. Step 5: Solve for x
    x = 296,886,301.22/16,679.15
  6. Step 6: Final answer
    x = 17,799.85

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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.