Home / 22,009.42-30,372.37-12,577.96

Finding the Fourth Proportional to 22,009.42, 30,372.37 and 12,577.96

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Solution

The fourth proportional to 22,009.42, 30,372.37 and 12,577.96 is: 17,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.42 : 30,372.37 = 12,577.96 : x
  2. Step 2: Convert to fraction form
    22,009.42/30,372.37 = 12,577.96/x
  3. Step 3: Cross multiply
    22,009.42x = 30,372.37 × 12,577.96
  4. Step 4: Simplify right side
    22,009.42x = 382,022,454.97
  5. Step 5: Solve for x
    x = 382,022,454.97/22,009.42
  6. Step 6: Final answer
    x = 17,357.22

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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.