Home / 19,798.65-27,319.55-11,837.97

Finding the Fourth Proportional to 19,798.65, 27,319.55 and 11,837.97

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Solution

The fourth proportional to 19,798.65, 27,319.55 and 11,837.97 is: 16,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.65 : 27,319.55 = 11,837.97 : x
  2. Step 2: Convert to fraction form
    19,798.65/27,319.55 = 11,837.97/x
  3. Step 3: Cross multiply
    19,798.65x = 27,319.55 × 11,837.97
  4. Step 4: Simplify right side
    19,798.65x = 323,407,954.12
  5. Step 5: Solve for x
    x = 323,407,954.12/19,798.65
  6. Step 6: Final answer
    x = 16,334.85

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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.