Home / 19,853.15-27,397.98-11,469.65

Finding the Fourth Proportional to 19,853.15, 27,397.98 and 11,469.65

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Solution

The fourth proportional to 19,853.15, 27,397.98 and 11,469.65 is: 15,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.15 : 27,397.98 = 11,469.65 : x
  2. Step 2: Convert to fraction form
    19,853.15/27,397.98 = 11,469.65/x
  3. Step 3: Cross multiply
    19,853.15x = 27,397.98 × 11,469.65
  4. Step 4: Simplify right side
    19,853.15x = 314,245,104.32
  5. Step 5: Solve for x
    x = 314,245,104.32/19,853.15
  6. Step 6: Final answer
    x = 15,828.48

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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.