Home / 30,126.18-41,573.05-16,698.68

Finding the Fourth Proportional to 30,126.18, 41,573.05 and 16,698.68

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Solution

The fourth proportional to 30,126.18, 41,573.05 and 16,698.68 is: 23,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.18 : 41,573.05 = 16,698.68 : x
  2. Step 2: Convert to fraction form
    30,126.18/41,573.05 = 16,698.68/x
  3. Step 3: Cross multiply
    30,126.18x = 41,573.05 × 16,698.68
  4. Step 4: Simplify right side
    30,126.18x = 694,215,058.57
  5. Step 5: Solve for x
    x = 694,215,058.57/30,126.18
  6. Step 6: Final answer
    x = 23,043.58

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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.