Home / 22,056.96-30,427.20-13,658.88

Finding the Fourth Proportional to 22,056.96, 30,427.20 and 13,658.88

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Solution

The fourth proportional to 22,056.96, 30,427.20 and 13,658.88 is: 18,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.96 : 30,427.20 = 13,658.88 : x
  2. Step 2: Convert to fraction form
    22,056.96/30,427.20 = 13,658.88/x
  3. Step 3: Cross multiply
    22,056.96x = 30,427.20 × 13,658.88
  4. Step 4: Simplify right side
    22,056.96x = 415,601,473.54
  5. Step 5: Solve for x
    x = 415,601,473.54/22,056.96
  6. Step 6: Final answer
    x = 18,842.19

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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.