Home / 18,692.68-28,038.66-4,841.32

Finding the Fourth Proportional to 18,692.68, 28,038.66 and 4,841.32

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Solution

The fourth proportional to 18,692.68, 28,038.66 and 4,841.32 is: 7,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.68 : 28,038.66 = 4,841.32 : x
  2. Step 2: Convert to fraction form
    18,692.68/28,038.66 = 4,841.32/x
  3. Step 3: Cross multiply
    18,692.68x = 28,038.66 × 4,841.32
  4. Step 4: Simplify right side
    18,692.68x = 135,744,125.43
  5. Step 5: Solve for x
    x = 135,744,125.43/18,692.68
  6. Step 6: Final answer
    x = 7,261.89

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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.