Home / 33,663.12-46,455.12-18,759.12

Finding the Fourth Proportional to 33,663.12, 46,455.12 and 18,759.12

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Solution

The fourth proportional to 33,663.12, 46,455.12 and 18,759.12 is: 25,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,663.12 : 46,455.12 = 18,759.12 : x
  2. Step 2: Convert to fraction form
    33,663.12/46,455.12 = 18,759.12/x
  3. Step 3: Cross multiply
    33,663.12x = 46,455.12 × 18,759.12
  4. Step 4: Simplify right side
    33,663.12x = 871,457,170.69
  5. Step 5: Solve for x
    x = 871,457,170.69/33,663.12
  6. Step 6: Final answer
    x = 25,887.59

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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.