Home / 19,582.92-29,351.34-12,553.80

Finding the Fourth Proportional to 19,582.92, 29,351.34 and 12,553.80

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Solution

The fourth proportional to 19,582.92, 29,351.34 and 12,553.80 is: 18,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.92 : 29,351.34 = 12,553.80 : x
  2. Step 2: Convert to fraction form
    19,582.92/29,351.34 = 12,553.80/x
  3. Step 3: Cross multiply
    19,582.92x = 29,351.34 × 12,553.80
  4. Step 4: Simplify right side
    19,582.92x = 368,470,852.09
  5. Step 5: Solve for x
    x = 368,470,852.09/19,582.92
  6. Step 6: Final answer
    x = 18,815.93

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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.