Home / 16,529.20-22,828.90-11,214.79

Finding the Fourth Proportional to 16,529.20, 22,828.90 and 11,214.79

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Solution

The fourth proportional to 16,529.20, 22,828.90 and 11,214.79 is: 15,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,529.20 : 22,828.90 = 11,214.79 : x
  2. Step 2: Convert to fraction form
    16,529.20/22,828.90 = 11,214.79/x
  3. Step 3: Cross multiply
    16,529.20x = 22,828.90 × 11,214.79
  4. Step 4: Simplify right side
    16,529.20x = 256,021,319.43
  5. Step 5: Solve for x
    x = 256,021,319.43/16,529.20
  6. Step 6: Final answer
    x = 15,489.03

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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.