Home / 14,054.54-21,080.23-4,191.49

Finding the Fourth Proportional to 14,054.54, 21,080.23 and 4,191.49

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Solution

The fourth proportional to 14,054.54, 21,080.23 and 4,191.49 is: 6,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.54 : 21,080.23 = 4,191.49 : x
  2. Step 2: Convert to fraction form
    14,054.54/21,080.23 = 4,191.49/x
  3. Step 3: Cross multiply
    14,054.54x = 21,080.23 × 4,191.49
  4. Step 4: Simplify right side
    14,054.54x = 88,357,604.83
  5. Step 5: Solve for x
    x = 88,357,604.83/14,054.54
  6. Step 6: Final answer
    x = 6,286.77

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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.