Home / 14,988.42-20,682.57-8,273.64

Finding the Fourth Proportional to 14,988.42, 20,682.57 and 8,273.64

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Solution

The fourth proportional to 14,988.42, 20,682.57 and 8,273.64 is: 11,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.42 : 20,682.57 = 8,273.64 : x
  2. Step 2: Convert to fraction form
    14,988.42/20,682.57 = 8,273.64/x
  3. Step 3: Cross multiply
    14,988.42x = 20,682.57 × 8,273.64
  4. Step 4: Simplify right side
    14,988.42x = 171,120,138.45
  5. Step 5: Solve for x
    x = 171,120,138.45/14,988.42
  6. Step 6: Final answer
    x = 11,416.82

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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.