Home / 33,125.92-45,698.69-19,689.54

Finding the Fourth Proportional to 33,125.92, 45,698.69 and 19,689.54

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Solution

The fourth proportional to 33,125.92, 45,698.69 and 19,689.54 is: 27,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.92 : 45,698.69 = 19,689.54 : x
  2. Step 2: Convert to fraction form
    33,125.92/45,698.69 = 19,689.54/x
  3. Step 3: Cross multiply
    33,125.92x = 45,698.69 × 19,689.54
  4. Step 4: Simplify right side
    33,125.92x = 899,786,184.70
  5. Step 5: Solve for x
    x = 899,786,184.70/33,125.92
  6. Step 6: Final answer
    x = 27,162.60

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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.