Home / 19,802.70-27,327.72-11,846.79

Finding the Fourth Proportional to 19,802.70, 27,327.72 and 11,846.79

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Solution

The fourth proportional to 19,802.70, 27,327.72 and 11,846.79 is: 16,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.70 : 27,327.72 = 11,846.79 : x
  2. Step 2: Convert to fraction form
    19,802.70/27,327.72 = 11,846.79/x
  3. Step 3: Cross multiply
    19,802.70x = 27,327.72 × 11,846.79
  4. Step 4: Simplify right side
    19,802.70x = 323,745,700.78
  5. Step 5: Solve for x
    x = 323,745,700.78/19,802.70
  6. Step 6: Final answer
    x = 16,348.57

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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.