Home / 22,102.56-30,502.08-13,601.52

Finding the Fourth Proportional to 22,102.56, 30,502.08 and 13,601.52

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Solution

The fourth proportional to 22,102.56, 30,502.08 and 13,601.52 is: 18,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.56 : 30,502.08 = 13,601.52 : x
  2. Step 2: Convert to fraction form
    22,102.56/30,502.08 = 13,601.52/x
  3. Step 3: Cross multiply
    22,102.56x = 30,502.08 × 13,601.52
  4. Step 4: Simplify right side
    22,102.56x = 414,874,651.16
  5. Step 5: Solve for x
    x = 414,874,651.16/22,102.56
  6. Step 6: Final answer
    x = 18,770.43

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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.