Home / 20,173.08-27,808.02-14,188.44

Finding the Fourth Proportional to 20,173.08, 27,808.02 and 14,188.44

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Solution

The fourth proportional to 20,173.08, 27,808.02 and 14,188.44 is: 19,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.08 : 27,808.02 = 14,188.44 : x
  2. Step 2: Convert to fraction form
    20,173.08/27,808.02 = 14,188.44/x
  3. Step 3: Cross multiply
    20,173.08x = 27,808.02 × 14,188.44
  4. Step 4: Simplify right side
    20,173.08x = 394,552,423.29
  5. Step 5: Solve for x
    x = 394,552,423.29/20,173.08
  6. Step 6: Final answer
    x = 19,558.36

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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.