Home / 22,169.58-30,586.59-13,785.54

Finding the Fourth Proportional to 22,169.58, 30,586.59 and 13,785.54

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Solution

The fourth proportional to 22,169.58, 30,586.59 and 13,785.54 is: 19,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.58 : 30,586.59 = 13,785.54 : x
  2. Step 2: Convert to fraction form
    22,169.58/30,586.59 = 13,785.54/x
  3. Step 3: Cross multiply
    22,169.58x = 30,586.59 × 13,785.54
  4. Step 4: Simplify right side
    22,169.58x = 421,652,659.91
  5. Step 5: Solve for x
    x = 421,652,659.91/22,169.58
  6. Step 6: Final answer
    x = 19,019.42

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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.