Home / 19,798.50-27,321.13-11,845.10

Finding the Fourth Proportional to 19,798.50, 27,321.13 and 11,845.10

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Solution

The fourth proportional to 19,798.50, 27,321.13 and 11,845.10 is: 16,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.50 : 27,321.13 = 11,845.10 : x
  2. Step 2: Convert to fraction form
    19,798.50/27,321.13 = 11,845.10/x
  3. Step 3: Cross multiply
    19,798.50x = 27,321.13 × 11,845.10
  4. Step 4: Simplify right side
    19,798.50x = 323,621,516.96
  5. Step 5: Solve for x
    x = 323,621,516.96/19,798.50
  6. Step 6: Final answer
    x = 16,345.76

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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.