Home / 22,056.03-30,439.67-13,105.71

Finding the Fourth Proportional to 22,056.03, 30,439.67 and 13,105.71

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Solution

The fourth proportional to 22,056.03, 30,439.67 and 13,105.71 is: 18,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.03 : 30,439.67 = 13,105.71 : x
  2. Step 2: Convert to fraction form
    22,056.03/30,439.67 = 13,105.71/x
  3. Step 3: Cross multiply
    22,056.03x = 30,439.67 × 13,105.71
  4. Step 4: Simplify right side
    22,056.03x = 398,933,421.99
  5. Step 5: Solve for x
    x = 398,933,421.99/22,056.03
  6. Step 6: Final answer
    x = 18,087.27

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Double scale
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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.