Home / 22,109.22-30,507.26-12,675.96

Finding the Fourth Proportional to 22,109.22, 30,507.26 and 12,675.96

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Solution

The fourth proportional to 22,109.22, 30,507.26 and 12,675.96 is: 17,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.22 : 30,507.26 = 12,675.96 : x
  2. Step 2: Convert to fraction form
    22,109.22/30,507.26 = 12,675.96/x
  3. Step 3: Cross multiply
    22,109.22x = 30,507.26 × 12,675.96
  4. Step 4: Simplify right side
    22,109.22x = 386,708,744.09
  5. Step 5: Solve for x
    x = 386,708,744.09/22,109.22
  6. Step 6: Final answer
    x = 17,490.84

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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.