Home / 20,073.37-27,699.00-11,118.65

Finding the Fourth Proportional to 20,073.37, 27,699.00 and 11,118.65

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Solution

The fourth proportional to 20,073.37, 27,699.00 and 11,118.65 is: 15,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.37 : 27,699.00 = 11,118.65 : x
  2. Step 2: Convert to fraction form
    20,073.37/27,699.00 = 11,118.65/x
  3. Step 3: Cross multiply
    20,073.37x = 27,699.00 × 11,118.65
  4. Step 4: Simplify right side
    20,073.37x = 307,975,444.90
  5. Step 5: Solve for x
    x = 307,975,444.90/20,073.37
  6. Step 6: Final answer
    x = 15,342.49

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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.