Home / 18,741.69-27,975.80-16,377.05

Finding the Fourth Proportional to 18,741.69, 27,975.80 and 16,377.05

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Solution

The fourth proportional to 18,741.69, 27,975.80 and 16,377.05 is: 24,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.69 : 27,975.80 = 16,377.05 : x
  2. Step 2: Convert to fraction form
    18,741.69/27,975.80 = 16,377.05/x
  3. Step 3: Cross multiply
    18,741.69x = 27,975.80 × 16,377.05
  4. Step 4: Simplify right side
    18,741.69x = 458,161,075.39
  5. Step 5: Solve for x
    x = 458,161,075.39/18,741.69
  6. Step 6: Final answer
    x = 24,446.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.