Home / 33,512.65-46,248.64-18,405.72

Finding the Fourth Proportional to 33,512.65, 46,248.64 and 18,405.72

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Solution

The fourth proportional to 33,512.65, 46,248.64 and 18,405.72 is: 25,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,512.65 : 46,248.64 = 18,405.72 : x
  2. Step 2: Convert to fraction form
    33,512.65/46,248.64 = 18,405.72/x
  3. Step 3: Cross multiply
    33,512.65x = 46,248.64 × 18,405.72
  4. Step 4: Simplify right side
    33,512.65x = 851,239,472.21
  5. Step 5: Solve for x
    x = 851,239,472.21/33,512.65
  6. Step 6: Final answer
    x = 25,400.54

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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.