Home / 33,175.28-45,781.84-18,271.28

Finding the Fourth Proportional to 33,175.28, 45,781.84 and 18,271.28

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Solution

The fourth proportional to 33,175.28, 45,781.84 and 18,271.28 is: 25,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,175.28 : 45,781.84 = 18,271.28 : x
  2. Step 2: Convert to fraction form
    33,175.28/45,781.84 = 18,271.28/x
  3. Step 3: Cross multiply
    33,175.28x = 45,781.84 × 18,271.28
  4. Step 4: Simplify right side
    33,175.28x = 836,492,817.56
  5. Step 5: Solve for x
    x = 836,492,817.56/33,175.28
  6. Step 6: Final answer
    x = 25,214.34

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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.