Home / 20,752.62-28,644.75-14,467.02

Finding the Fourth Proportional to 20,752.62, 28,644.75 and 14,467.02

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Solution

The fourth proportional to 20,752.62, 28,644.75 and 14,467.02 is: 19,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.62 : 28,644.75 = 14,467.02 : x
  2. Step 2: Convert to fraction form
    20,752.62/28,644.75 = 14,467.02/x
  3. Step 3: Cross multiply
    20,752.62x = 28,644.75 × 14,467.02
  4. Step 4: Simplify right side
    20,752.62x = 414,404,171.15
  5. Step 5: Solve for x
    x = 414,404,171.15/20,752.62
  6. Step 6: Final answer
    x = 19,968.76

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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.