Home / 22,157.56-30,588.18-14,211.64

Finding the Fourth Proportional to 22,157.56, 30,588.18 and 14,211.64

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Solution

The fourth proportional to 22,157.56, 30,588.18 and 14,211.64 is: 19,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.56 : 30,588.18 = 14,211.64 : x
  2. Step 2: Convert to fraction form
    22,157.56/30,588.18 = 14,211.64/x
  3. Step 3: Cross multiply
    22,157.56x = 30,588.18 × 14,211.64
  4. Step 4: Simplify right side
    22,157.56x = 434,708,202.42
  5. Step 5: Solve for x
    x = 434,708,202.42/22,157.56
  6. Step 6: Final answer
    x = 19,618.96

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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.