Home / 14,048.50-21,076.22-4,187.74

Finding the Fourth Proportional to 14,048.50, 21,076.22 and 4,187.74

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Solution

The fourth proportional to 14,048.50, 21,076.22 and 4,187.74 is: 6,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.50 : 21,076.22 = 4,187.74 : x
  2. Step 2: Convert to fraction form
    14,048.50/21,076.22 = 4,187.74/x
  3. Step 3: Cross multiply
    14,048.50x = 21,076.22 × 4,187.74
  4. Step 4: Simplify right side
    14,048.50x = 88,261,729.54
  5. Step 5: Solve for x
    x = 88,261,729.54/14,048.50
  6. Step 6: Final answer
    x = 6,282.64

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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.