Home / 20,014.61-27,623.96-13,196.63

Finding the Fourth Proportional to 20,014.61, 27,623.96 and 13,196.63

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Solution

The fourth proportional to 20,014.61, 27,623.96 and 13,196.63 is: 18,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.61 : 27,623.96 = 13,196.63 : x
  2. Step 2: Convert to fraction form
    20,014.61/27,623.96 = 13,196.63/x
  3. Step 3: Cross multiply
    20,014.61x = 27,623.96 × 13,196.63
  4. Step 4: Simplify right side
    20,014.61x = 364,543,281.31
  5. Step 5: Solve for x
    x = 364,543,281.31/20,014.61
  6. Step 6: Final answer
    x = 18,213.86

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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.