Home / 14,002.20-19,322.69-7,714.44

Finding the Fourth Proportional to 14,002.20, 19,322.69 and 7,714.44

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Solution

The fourth proportional to 14,002.20, 19,322.69 and 7,714.44 is: 10,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.20 : 19,322.69 = 7,714.44 : x
  2. Step 2: Convert to fraction form
    14,002.20/19,322.69 = 7,714.44/x
  3. Step 3: Cross multiply
    14,002.20x = 19,322.69 × 7,714.44
  4. Step 4: Simplify right side
    14,002.20x = 149,063,694.07
  5. Step 5: Solve for x
    x = 149,063,694.07/14,002.20
  6. Step 6: Final answer
    x = 10,645.73

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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.