Home / 33,012.64-45,556.88-18,108.32

Finding the Fourth Proportional to 33,012.64, 45,556.88 and 18,108.32

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Solution

The fourth proportional to 33,012.64, 45,556.88 and 18,108.32 is: 24,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.64 : 45,556.88 = 18,108.32 : x
  2. Step 2: Convert to fraction form
    33,012.64/45,556.88 = 18,108.32/x
  3. Step 3: Cross multiply
    33,012.64x = 45,556.88 × 18,108.32
  4. Step 4: Simplify right side
    33,012.64x = 824,958,561.24
  5. Step 5: Solve for x
    x = 824,958,561.24/33,012.64
  6. Step 6: Final answer
    x = 24,989.17

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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.