Home / 22,157.73-30,577.11-12,086.40

Finding the Fourth Proportional to 22,157.73, 30,577.11 and 12,086.40

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Solution

The fourth proportional to 22,157.73, 30,577.11 and 12,086.40 is: 16,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.73 : 30,577.11 = 12,086.40 : x
  2. Step 2: Convert to fraction form
    22,157.73/30,577.11 = 12,086.40/x
  3. Step 3: Cross multiply
    22,157.73x = 30,577.11 × 12,086.40
  4. Step 4: Simplify right side
    22,157.73x = 369,567,182.30
  5. Step 5: Solve for x
    x = 369,567,182.30/22,157.73
  6. Step 6: Final answer
    x = 16,678.93

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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.