Home / 19,714.60-29,563.62-9,178.12

Finding the Fourth Proportional to 19,714.60, 29,563.62 and 9,178.12

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Solution

The fourth proportional to 19,714.60, 29,563.62 and 9,178.12 is: 13,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.60 : 29,563.62 = 9,178.12 : x
  2. Step 2: Convert to fraction form
    19,714.60/29,563.62 = 9,178.12/x
  3. Step 3: Cross multiply
    19,714.60x = 29,563.62 × 9,178.12
  4. Step 4: Simplify right side
    19,714.60x = 271,338,451.99
  5. Step 5: Solve for x
    x = 271,338,451.99/19,714.60
  6. Step 6: Final answer
    x = 13,763.33

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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.