Home / 18,838.36-28,263.01-5,692.67

Finding the Fourth Proportional to 18,838.36, 28,263.01 and 5,692.67

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Solution

The fourth proportional to 18,838.36, 28,263.01 and 5,692.67 is: 8,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.36 : 28,263.01 = 5,692.67 : x
  2. Step 2: Convert to fraction form
    18,838.36/28,263.01 = 5,692.67/x
  3. Step 3: Cross multiply
    18,838.36x = 28,263.01 × 5,692.67
  4. Step 4: Simplify right side
    18,838.36x = 160,891,989.14
  5. Step 5: Solve for x
    x = 160,891,989.14/18,838.36
  6. Step 6: Final answer
    x = 8,540.66

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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.