Home / 30,126.86-41,575.17-16,698.34

Finding the Fourth Proportional to 30,126.86, 41,575.17 and 16,698.34

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Solution

The fourth proportional to 30,126.86, 41,575.17 and 16,698.34 is: 23,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.86 : 41,575.17 = 16,698.34 : x
  2. Step 2: Convert to fraction form
    30,126.86/41,575.17 = 16,698.34/x
  3. Step 3: Cross multiply
    30,126.86x = 41,575.17 × 16,698.34
  4. Step 4: Simplify right side
    30,126.86x = 694,236,324.22
  5. Step 5: Solve for x
    x = 694,236,324.22/30,126.86
  6. Step 6: Final answer
    x = 23,043.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.