Home / 20,577.14-28,370.64-16,796.46

Finding the Fourth Proportional to 20,577.14, 28,370.64 and 16,796.46

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Solution

The fourth proportional to 20,577.14, 28,370.64 and 16,796.46 is: 23,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.14 : 28,370.64 = 16,796.46 : x
  2. Step 2: Convert to fraction form
    20,577.14/28,370.64 = 16,796.46/x
  3. Step 3: Cross multiply
    20,577.14x = 28,370.64 × 16,796.46
  4. Step 4: Simplify right side
    20,577.14x = 476,526,235.95
  5. Step 5: Solve for x
    x = 476,526,235.95/20,577.14
  6. Step 6: Final answer
    x = 23,158.05

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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.