Home / 14,052.80-21,066.96-5,285.36

Finding the Fourth Proportional to 14,052.80, 21,066.96 and 5,285.36

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Solution

The fourth proportional to 14,052.80, 21,066.96 and 5,285.36 is: 7,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.80 : 21,066.96 = 5,285.36 : x
  2. Step 2: Convert to fraction form
    14,052.80/21,066.96 = 5,285.36/x
  3. Step 3: Cross multiply
    14,052.80x = 21,066.96 × 5,285.36
  4. Step 4: Simplify right side
    14,052.80x = 111,346,467.71
  5. Step 5: Solve for x
    x = 111,346,467.71/14,052.80
  6. Step 6: Final answer
    x = 7,923.44

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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.