Home / 33,828.68-46,672.20-19,669.88

Finding the Fourth Proportional to 33,828.68, 46,672.20 and 19,669.88

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Solution

The fourth proportional to 33,828.68, 46,672.20 and 19,669.88 is: 27,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.68 : 46,672.20 = 19,669.88 : x
  2. Step 2: Convert to fraction form
    33,828.68/46,672.20 = 19,669.88/x
  3. Step 3: Cross multiply
    33,828.68x = 46,672.20 × 19,669.88
  4. Step 4: Simplify right side
    33,828.68x = 918,036,573.34
  5. Step 5: Solve for x
    x = 918,036,573.34/33,828.68
  6. Step 6: Final answer
    x = 27,137.82

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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.