Home / 16,799.36-25,199.36-5,111.84

Finding the Fourth Proportional to 16,799.36, 25,199.36 and 5,111.84

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Solution

The fourth proportional to 16,799.36, 25,199.36 and 5,111.84 is: 7,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,799.36 : 25,199.36 = 5,111.84 : x
  2. Step 2: Convert to fraction form
    16,799.36/25,199.36 = 5,111.84/x
  3. Step 3: Cross multiply
    16,799.36x = 25,199.36 × 5,111.84
  4. Step 4: Simplify right side
    16,799.36x = 128,815,096.42
  5. Step 5: Solve for x
    x = 128,815,096.42/16,799.36
  6. Step 6: Final answer
    x = 7,667.86

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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.