Home / 19,578.68-29,379.66-7,097.48

Finding the Fourth Proportional to 19,578.68, 29,379.66 and 7,097.48

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Solution

The fourth proportional to 19,578.68, 29,379.66 and 7,097.48 is: 10,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.68 : 29,379.66 = 7,097.48 : x
  2. Step 2: Convert to fraction form
    19,578.68/29,379.66 = 7,097.48/x
  3. Step 3: Cross multiply
    19,578.68x = 29,379.66 × 7,097.48
  4. Step 4: Simplify right side
    19,578.68x = 208,521,549.26
  5. Step 5: Solve for x
    x = 208,521,549.26/19,578.68
  6. Step 6: Final answer
    x = 10,650.44

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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.