Home / 20,048.48-27,674.20-11,664.98

Finding the Fourth Proportional to 20,048.48, 27,674.20 and 11,664.98

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Solution

The fourth proportional to 20,048.48, 27,674.20 and 11,664.98 is: 16,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.48 : 27,674.20 = 11,664.98 : x
  2. Step 2: Convert to fraction form
    20,048.48/27,674.20 = 11,664.98/x
  3. Step 3: Cross multiply
    20,048.48x = 27,674.20 × 11,664.98
  4. Step 4: Simplify right side
    20,048.48x = 322,819,092.36
  5. Step 5: Solve for x
    x = 322,819,092.36/20,048.48
  6. Step 6: Final answer
    x = 16,101.92

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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.