Home / 17,578.18-26,367.38-7,189.93

Finding the Fourth Proportional to 17,578.18, 26,367.38 and 7,189.93

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Solution

The fourth proportional to 17,578.18, 26,367.38 and 7,189.93 is: 10,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.18 : 26,367.38 = 7,189.93 : x
  2. Step 2: Convert to fraction form
    17,578.18/26,367.38 = 7,189.93/x
  3. Step 3: Cross multiply
    17,578.18x = 26,367.38 × 7,189.93
  4. Step 4: Simplify right side
    17,578.18x = 189,579,616.48
  5. Step 5: Solve for x
    x = 189,579,616.48/17,578.18
  6. Step 6: Final answer
    x = 10,784.94

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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.