Home / 33,275.54-45,920.79-19,854.65

Finding the Fourth Proportional to 33,275.54, 45,920.79 and 19,854.65

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Solution

The fourth proportional to 33,275.54, 45,920.79 and 19,854.65 is: 27,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.54 : 45,920.79 = 19,854.65 : x
  2. Step 2: Convert to fraction form
    33,275.54/45,920.79 = 19,854.65/x
  3. Step 3: Cross multiply
    33,275.54x = 45,920.79 × 19,854.65
  4. Step 4: Simplify right side
    33,275.54x = 911,740,983.57
  5. Step 5: Solve for x
    x = 911,740,983.57/33,275.54
  6. Step 6: Final answer
    x = 27,399.74

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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.