Home / 16,819.60-25,196.64-9,782.32

Finding the Fourth Proportional to 16,819.60, 25,196.64 and 9,782.32

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Solution

The fourth proportional to 16,819.60, 25,196.64 and 9,782.32 is: 14,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.60 : 25,196.64 = 9,782.32 : x
  2. Step 2: Convert to fraction form
    16,819.60/25,196.64 = 9,782.32/x
  3. Step 3: Cross multiply
    16,819.60x = 25,196.64 × 9,782.32
  4. Step 4: Simplify right side
    16,819.60x = 246,481,595.40
  5. Step 5: Solve for x
    x = 246,481,595.40/16,819.60
  6. Step 6: Final answer
    x = 14,654.43

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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.