Home / 18,178.09-25,104.88-16,196.84

Finding the Fourth Proportional to 18,178.09, 25,104.88 and 16,196.84

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Solution

The fourth proportional to 18,178.09, 25,104.88 and 16,196.84 is: 22,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.09 : 25,104.88 = 16,196.84 : x
  2. Step 2: Convert to fraction form
    18,178.09/25,104.88 = 16,196.84/x
  3. Step 3: Cross multiply
    18,178.09x = 25,104.88 × 16,196.84
  4. Step 4: Simplify right side
    18,178.09x = 406,619,724.58
  5. Step 5: Solve for x
    x = 406,619,724.58/18,178.09
  6. Step 6: Final answer
    x = 22,368.67

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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.