Home / 33,118.32-45,703.26-18,214.32

Finding the Fourth Proportional to 33,118.32, 45,703.26 and 18,214.32

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Solution

The fourth proportional to 33,118.32, 45,703.26 and 18,214.32 is: 25,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.32 : 45,703.26 = 18,214.32 : x
  2. Step 2: Convert to fraction form
    33,118.32/45,703.26 = 18,214.32/x
  3. Step 3: Cross multiply
    33,118.32x = 45,703.26 × 18,214.32
  4. Step 4: Simplify right side
    33,118.32x = 832,453,802.68
  5. Step 5: Solve for x
    x = 832,453,802.68/33,118.32
  6. Step 6: Final answer
    x = 25,135.75

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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.