Home / 15,553.86-23,330.64-7,229.25

Finding the Fourth Proportional to 15,553.86, 23,330.64 and 7,229.25

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Solution

The fourth proportional to 15,553.86, 23,330.64 and 7,229.25 is: 10,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.86 : 23,330.64 = 7,229.25 : x
  2. Step 2: Convert to fraction form
    15,553.86/23,330.64 = 7,229.25/x
  3. Step 3: Cross multiply
    15,553.86x = 23,330.64 × 7,229.25
  4. Step 4: Simplify right side
    15,553.86x = 168,663,029.22
  5. Step 5: Solve for x
    x = 168,663,029.22/15,553.86
  6. Step 6: Final answer
    x = 10,843.81

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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.