Home / 14,046.88-21,076.46-6,656.62

Finding the Fourth Proportional to 14,046.88, 21,076.46 and 6,656.62

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Solution

The fourth proportional to 14,046.88, 21,076.46 and 6,656.62 is: 9,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.88 : 21,076.46 = 6,656.62 : x
  2. Step 2: Convert to fraction form
    14,046.88/21,076.46 = 6,656.62/x
  3. Step 3: Cross multiply
    14,046.88x = 21,076.46 × 6,656.62
  4. Step 4: Simplify right side
    14,046.88x = 140,297,985.17
  5. Step 5: Solve for x
    x = 140,297,985.17/14,046.88
  6. Step 6: Final answer
    x = 9,987.84

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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.