Home / 19,105.72-28,654.29-8,024.92

Finding the Fourth Proportional to 19,105.72, 28,654.29 and 8,024.92

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Solution

The fourth proportional to 19,105.72, 28,654.29 and 8,024.92 is: 12,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.72 : 28,654.29 = 8,024.92 : x
  2. Step 2: Convert to fraction form
    19,105.72/28,654.29 = 8,024.92/x
  3. Step 3: Cross multiply
    19,105.72x = 28,654.29 × 8,024.92
  4. Step 4: Simplify right side
    19,105.72x = 229,948,384.91
  5. Step 5: Solve for x
    x = 229,948,384.91/19,105.72
  6. Step 6: Final answer
    x = 12,035.58

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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.