Home / 19,575.65-29,350.73-12,891.94

Finding the Fourth Proportional to 19,575.65, 29,350.73 and 12,891.94

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Solution

The fourth proportional to 19,575.65, 29,350.73 and 12,891.94 is: 19,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.65 : 29,350.73 = 12,891.94 : x
  2. Step 2: Convert to fraction form
    19,575.65/29,350.73 = 12,891.94/x
  3. Step 3: Cross multiply
    19,575.65x = 29,350.73 × 12,891.94
  4. Step 4: Simplify right side
    19,575.65x = 378,387,808.97
  5. Step 5: Solve for x
    x = 378,387,808.97/19,575.65
  6. Step 6: Final answer
    x = 19,329.51

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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.