Home / 19,740.65-27,233.34-11,778.24

Finding the Fourth Proportional to 19,740.65, 27,233.34 and 11,778.24

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Solution

The fourth proportional to 19,740.65, 27,233.34 and 11,778.24 is: 16,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.65 : 27,233.34 = 11,778.24 : x
  2. Step 2: Convert to fraction form
    19,740.65/27,233.34 = 11,778.24/x
  3. Step 3: Cross multiply
    19,740.65x = 27,233.34 × 11,778.24
  4. Step 4: Simplify right side
    19,740.65x = 320,760,814.52
  5. Step 5: Solve for x
    x = 320,760,814.52/19,740.65
  6. Step 6: Final answer
    x = 16,248.75

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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.