Home / 14,380.04-21,568.80-3,992.60

Finding the Fourth Proportional to 14,380.04, 21,568.80 and 3,992.60

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Solution

The fourth proportional to 14,380.04, 21,568.80 and 3,992.60 is: 5,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.04 : 21,568.80 = 3,992.60 : x
  2. Step 2: Convert to fraction form
    14,380.04/21,568.80 = 3,992.60/x
  3. Step 3: Cross multiply
    14,380.04x = 21,568.80 × 3,992.60
  4. Step 4: Simplify right side
    14,380.04x = 86,115,590.88
  5. Step 5: Solve for x
    x = 86,115,590.88/14,380.04
  6. Step 6: Final answer
    x = 5,988.55

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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.