Home / 22,529.84-31,103.60-13,579.52

Finding the Fourth Proportional to 22,529.84, 31,103.60 and 13,579.52

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Solution

The fourth proportional to 22,529.84, 31,103.60 and 13,579.52 is: 18,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.84 : 31,103.60 = 13,579.52 : x
  2. Step 2: Convert to fraction form
    22,529.84/31,103.60 = 13,579.52/x
  3. Step 3: Cross multiply
    22,529.84x = 31,103.60 × 13,579.52
  4. Step 4: Simplify right side
    22,529.84x = 422,371,958.27
  5. Step 5: Solve for x
    x = 422,371,958.27/22,529.84
  6. Step 6: Final answer
    x = 18,747.22

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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.