Home / 33,116.55-45,698.43-18,776.67

Finding the Fourth Proportional to 33,116.55, 45,698.43 and 18,776.67

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Solution

The fourth proportional to 33,116.55, 45,698.43 and 18,776.67 is: 25,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.55 : 45,698.43 = 18,776.67 : x
  2. Step 2: Convert to fraction form
    33,116.55/45,698.43 = 18,776.67/x
  3. Step 3: Cross multiply
    33,116.55x = 45,698.43 × 18,776.67
  4. Step 4: Simplify right side
    33,116.55x = 858,064,339.63
  5. Step 5: Solve for x
    x = 858,064,339.63/33,116.55
  6. Step 6: Final answer
    x = 25,910.44

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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.