Home / 33,173.96-45,776.68-20,425.12

Finding the Fourth Proportional to 33,173.96, 45,776.68 and 20,425.12

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Solution

The fourth proportional to 33,173.96, 45,776.68 and 20,425.12 is: 28,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.96 : 45,776.68 = 20,425.12 : x
  2. Step 2: Convert to fraction form
    33,173.96/45,776.68 = 20,425.12/x
  3. Step 3: Cross multiply
    33,173.96x = 45,776.68 × 20,425.12
  4. Step 4: Simplify right side
    33,173.96x = 934,994,182.20
  5. Step 5: Solve for x
    x = 934,994,182.20/33,173.96
  6. Step 6: Final answer
    x = 28,184.58

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Double scale
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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.