Home / 20,043.61-27,663.11-11,544.08

Finding the Fourth Proportional to 20,043.61, 27,663.11 and 11,544.08

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Solution

The fourth proportional to 20,043.61, 27,663.11 and 11,544.08 is: 15,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.61 : 27,663.11 = 11,544.08 : x
  2. Step 2: Convert to fraction form
    20,043.61/27,663.11 = 11,544.08/x
  3. Step 3: Cross multiply
    20,043.61x = 27,663.11 × 11,544.08
  4. Step 4: Simplify right side
    20,043.61x = 319,345,078.41
  5. Step 5: Solve for x
    x = 319,345,078.41/20,043.61
  6. Step 6: Final answer
    x = 15,932.51

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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.