Home / 19,983.20-30,001.20-16,036.64

Finding the Fourth Proportional to 19,983.20, 30,001.20 and 16,036.64

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Solution

The fourth proportional to 19,983.20, 30,001.20 and 16,036.64 is: 24,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.20 : 30,001.20 = 16,036.64 : x
  2. Step 2: Convert to fraction form
    19,983.20/30,001.20 = 16,036.64/x
  3. Step 3: Cross multiply
    19,983.20x = 30,001.20 × 16,036.64
  4. Step 4: Simplify right side
    19,983.20x = 481,118,443.97
  5. Step 5: Solve for x
    x = 481,118,443.97/19,983.20
  6. Step 6: Final answer
    x = 24,076.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.