Home / 14,350.60-21,528.06-5,115.88

Finding the Fourth Proportional to 14,350.60, 21,528.06 and 5,115.88

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Solution

The fourth proportional to 14,350.60, 21,528.06 and 5,115.88 is: 7,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.60 : 21,528.06 = 5,115.88 : x
  2. Step 2: Convert to fraction form
    14,350.60/21,528.06 = 5,115.88/x
  3. Step 3: Cross multiply
    14,350.60x = 21,528.06 × 5,115.88
  4. Step 4: Simplify right side
    14,350.60x = 110,134,838.37
  5. Step 5: Solve for x
    x = 110,134,838.37/14,350.60
  6. Step 6: Final answer
    x = 7,674.58

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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.