Home / 27,739.00-38,279.82-14,992.14

Finding the Fourth Proportional to 27,739.00, 38,279.82 and 14,992.14

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Solution

The fourth proportional to 27,739.00, 38,279.82 and 14,992.14 is: 20,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,739.00 : 38,279.82 = 14,992.14 : x
  2. Step 2: Convert to fraction form
    27,739.00/38,279.82 = 14,992.14/x
  3. Step 3: Cross multiply
    27,739.00x = 38,279.82 × 14,992.14
  4. Step 4: Simplify right side
    27,739.00x = 573,896,345.65
  5. Step 5: Solve for x
    x = 573,896,345.65/27,739.00
  6. Step 6: Final answer
    x = 20,689.15

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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.