Home / 14,076.85-19,322.57-12,447.80

Finding the Fourth Proportional to 14,076.85, 19,322.57 and 12,447.80

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Solution

The fourth proportional to 14,076.85, 19,322.57 and 12,447.80 is: 17,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.85 : 19,322.57 = 12,447.80 : x
  2. Step 2: Convert to fraction form
    14,076.85/19,322.57 = 12,447.80/x
  3. Step 3: Cross multiply
    14,076.85x = 19,322.57 × 12,447.80
  4. Step 4: Simplify right side
    14,076.85x = 240,523,486.85
  5. Step 5: Solve for x
    x = 240,523,486.85/14,076.85
  6. Step 6: Final answer
    x = 17,086.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.