Home / 19,827.60-29,760.84-15,103.68

Finding the Fourth Proportional to 19,827.60, 29,760.84 and 15,103.68

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Solution

The fourth proportional to 19,827.60, 29,760.84 and 15,103.68 is: 22,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.60 : 29,760.84 = 15,103.68 : x
  2. Step 2: Convert to fraction form
    19,827.60/29,760.84 = 15,103.68/x
  3. Step 3: Cross multiply
    19,827.60x = 29,760.84 × 15,103.68
  4. Step 4: Simplify right side
    19,827.60x = 449,498,203.89
  5. Step 5: Solve for x
    x = 449,498,203.89/19,827.60
  6. Step 6: Final answer
    x = 22,670.33

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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.