Home / 33,066.20-45,630.45-18,918.14

Finding the Fourth Proportional to 33,066.20, 45,630.45 and 18,918.14

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Solution

The fourth proportional to 33,066.20, 45,630.45 and 18,918.14 is: 26,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,066.20 : 45,630.45 = 18,918.14 : x
  2. Step 2: Convert to fraction form
    33,066.20/45,630.45 = 18,918.14/x
  3. Step 3: Cross multiply
    33,066.20x = 45,630.45 × 18,918.14
  4. Step 4: Simplify right side
    33,066.20x = 863,243,013.21
  5. Step 5: Solve for x
    x = 863,243,013.21/33,066.20
  6. Step 6: Final answer
    x = 26,106.51

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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.