Home / 19,676.20-29,525.08-9,287.68

Finding the Fourth Proportional to 19,676.20, 29,525.08 and 9,287.68

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Solution

The fourth proportional to 19,676.20, 29,525.08 and 9,287.68 is: 13,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.20 : 29,525.08 = 9,287.68 : x
  2. Step 2: Convert to fraction form
    19,676.20/29,525.08 = 9,287.68/x
  3. Step 3: Cross multiply
    19,676.20x = 29,525.08 × 9,287.68
  4. Step 4: Simplify right side
    19,676.20x = 274,219,495.01
  5. Step 5: Solve for x
    x = 274,219,495.01/19,676.20
  6. Step 6: Final answer
    x = 13,936.61

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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.