Home / 19,620.72-27,076.39-14,607.36

Finding the Fourth Proportional to 19,620.72, 27,076.39 and 14,607.36

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Solution

The fourth proportional to 19,620.72, 27,076.39 and 14,607.36 is: 20,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.72 : 27,076.39 = 14,607.36 : x
  2. Step 2: Convert to fraction form
    19,620.72/27,076.39 = 14,607.36/x
  3. Step 3: Cross multiply
    19,620.72x = 27,076.39 × 14,607.36
  4. Step 4: Simplify right side
    19,620.72x = 395,514,576.23
  5. Step 5: Solve for x
    x = 395,514,576.23/19,620.72
  6. Step 6: Final answer
    x = 20,158.01

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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.