Home / 13,924.33-20,868.01-12,066.75

Finding the Fourth Proportional to 13,924.33, 20,868.01 and 12,066.75

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Solution

The fourth proportional to 13,924.33, 20,868.01 and 12,066.75 is: 18,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.33 : 20,868.01 = 12,066.75 : x
  2. Step 2: Convert to fraction form
    13,924.33/20,868.01 = 12,066.75/x
  3. Step 3: Cross multiply
    13,924.33x = 20,868.01 × 12,066.75
  4. Step 4: Simplify right side
    13,924.33x = 251,809,029.50
  5. Step 5: Solve for x
    x = 251,809,029.50/13,924.33
  6. Step 6: Final answer
    x = 18,084.11

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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.