Home / 14,987.42-20,682.37-8,273.26

Finding the Fourth Proportional to 14,987.42, 20,682.37 and 8,273.26

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Solution

The fourth proportional to 14,987.42, 20,682.37 and 8,273.26 is: 11,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.42 : 20,682.37 = 8,273.26 : x
  2. Step 2: Convert to fraction form
    14,987.42/20,682.37 = 8,273.26/x
  3. Step 3: Cross multiply
    14,987.42x = 20,682.37 × 8,273.26
  4. Step 4: Simplify right side
    14,987.42x = 171,110,624.43
  5. Step 5: Solve for x
    x = 171,110,624.43/14,987.42
  6. Step 6: Final answer
    x = 11,416.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.