Home / 19,550.57-29,329.49-12,575.86

Finding the Fourth Proportional to 19,550.57, 29,329.49 and 12,575.86

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Solution

The fourth proportional to 19,550.57, 29,329.49 and 12,575.86 is: 18,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.57 : 29,329.49 = 12,575.86 : x
  2. Step 2: Convert to fraction form
    19,550.57/29,329.49 = 12,575.86/x
  3. Step 3: Cross multiply
    19,550.57x = 29,329.49 × 12,575.86
  4. Step 4: Simplify right side
    19,550.57x = 368,843,518.23
  5. Step 5: Solve for x
    x = 368,843,518.23/19,550.57
  6. Step 6: Final answer
    x = 18,866.13

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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.