Home / 19,710.50-27,193.92-11,751.62

Finding the Fourth Proportional to 19,710.50, 27,193.92 and 11,751.62

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Solution

The fourth proportional to 19,710.50, 27,193.92 and 11,751.62 is: 16,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.50 : 27,193.92 = 11,751.62 : x
  2. Step 2: Convert to fraction form
    19,710.50/27,193.92 = 11,751.62/x
  3. Step 3: Cross multiply
    19,710.50x = 27,193.92 × 11,751.62
  4. Step 4: Simplify right side
    19,710.50x = 319,572,614.15
  5. Step 5: Solve for x
    x = 319,572,614.15/19,710.50
  6. Step 6: Final answer
    x = 16,213.32

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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.