Home / 14,351.60-21,529.56-5,116.88

Finding the Fourth Proportional to 14,351.60, 21,529.56 and 5,116.88

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Solution

The fourth proportional to 14,351.60, 21,529.56 and 5,116.88 is: 7,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.60 : 21,529.56 = 5,116.88 : x
  2. Step 2: Convert to fraction form
    14,351.60/21,529.56 = 5,116.88/x
  3. Step 3: Cross multiply
    14,351.60x = 21,529.56 × 5,116.88
  4. Step 4: Simplify right side
    14,351.60x = 110,164,174.97
  5. Step 5: Solve for x
    x = 110,164,174.97/14,351.60
  6. Step 6: Final answer
    x = 7,676.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.