Home / 22,110.56-30,507.26-12,548.31

Finding the Fourth Proportional to 22,110.56, 30,507.26 and 12,548.31

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Solution

The fourth proportional to 22,110.56, 30,507.26 and 12,548.31 is: 17,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.56 : 30,507.26 = 12,548.31 : x
  2. Step 2: Convert to fraction form
    22,110.56/30,507.26 = 12,548.31/x
  3. Step 3: Cross multiply
    22,110.56x = 30,507.26 × 12,548.31
  4. Step 4: Simplify right side
    22,110.56x = 382,814,555.73
  5. Step 5: Solve for x
    x = 382,814,555.73/22,110.56
  6. Step 6: Final answer
    x = 17,313.65

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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.