Home / 13,795.58-20,692.14-8,531.38

Finding the Fourth Proportional to 13,795.58, 20,692.14 and 8,531.38

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Solution

The fourth proportional to 13,795.58, 20,692.14 and 8,531.38 is: 12,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.58 : 20,692.14 = 8,531.38 : x
  2. Step 2: Convert to fraction form
    13,795.58/20,692.14 = 8,531.38/x
  3. Step 3: Cross multiply
    13,795.58x = 20,692.14 × 8,531.38
  4. Step 4: Simplify right side
    13,795.58x = 176,532,509.35
  5. Step 5: Solve for x
    x = 176,532,509.35/13,795.58
  6. Step 6: Final answer
    x = 12,796.31

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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.