Home / 22,171.29-30,588.66-14,217.90

Finding the Fourth Proportional to 22,171.29, 30,588.66 and 14,217.90

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Solution

The fourth proportional to 22,171.29, 30,588.66 and 14,217.90 is: 19,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.29 : 30,588.66 = 14,217.90 : x
  2. Step 2: Convert to fraction form
    22,171.29/30,588.66 = 14,217.90/x
  3. Step 3: Cross multiply
    22,171.29x = 30,588.66 × 14,217.90
  4. Step 4: Simplify right side
    22,171.29x = 434,906,509.01
  5. Step 5: Solve for x
    x = 434,906,509.01/22,171.29
  6. Step 6: Final answer
    x = 19,615.75

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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.