Home / 16,529.82-22,829.76-11,215.41

Finding the Fourth Proportional to 16,529.82, 22,829.76 and 11,215.41

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Solution

The fourth proportional to 16,529.82, 22,829.76 and 11,215.41 is: 15,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,529.82 : 22,829.76 = 11,215.41 : x
  2. Step 2: Convert to fraction form
    16,529.82/22,829.76 = 11,215.41/x
  3. Step 3: Cross multiply
    16,529.82x = 22,829.76 × 11,215.41
  4. Step 4: Simplify right side
    16,529.82x = 256,045,118.60
  5. Step 5: Solve for x
    x = 256,045,118.60/16,529.82
  6. Step 6: Final answer
    x = 15,489.89

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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.