Home / 20,036.39-27,650.23-12,076.52

Finding the Fourth Proportional to 20,036.39, 27,650.23 and 12,076.52

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Solution

The fourth proportional to 20,036.39, 27,650.23 and 12,076.52 is: 16,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.39 : 27,650.23 = 12,076.52 : x
  2. Step 2: Convert to fraction form
    20,036.39/27,650.23 = 12,076.52/x
  3. Step 3: Cross multiply
    20,036.39x = 27,650.23 × 12,076.52
  4. Step 4: Simplify right side
    20,036.39x = 333,918,387.16
  5. Step 5: Solve for x
    x = 333,918,387.16/20,036.39
  6. Step 6: Final answer
    x = 16,665.60

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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.