Home / 16,789.64-25,191.32-11,848.64

Finding the Fourth Proportional to 16,789.64, 25,191.32 and 11,848.64

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Solution

The fourth proportional to 16,789.64, 25,191.32 and 11,848.64 is: 17,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.64 : 25,191.32 = 11,848.64 : x
  2. Step 2: Convert to fraction form
    16,789.64/25,191.32 = 11,848.64/x
  3. Step 3: Cross multiply
    16,789.64x = 25,191.32 × 11,848.64
  4. Step 4: Simplify right side
    16,789.64x = 298,482,881.80
  5. Step 5: Solve for x
    x = 298,482,881.80/16,789.64
  6. Step 6: Final answer
    x = 17,777.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.