Home / 20,014.85-27,624.30-13,196.88

Finding the Fourth Proportional to 20,014.85, 27,624.30 and 13,196.88

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Solution

The fourth proportional to 20,014.85, 27,624.30 and 13,196.88 is: 18,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.85 : 27,624.30 = 13,196.88 : x
  2. Step 2: Convert to fraction form
    20,014.85/27,624.30 = 13,196.88/x
  3. Step 3: Cross multiply
    20,014.85x = 27,624.30 × 13,196.88
  4. Step 4: Simplify right side
    20,014.85x = 364,554,572.18
  5. Step 5: Solve for x
    x = 364,554,572.18/20,014.85
  6. Step 6: Final answer
    x = 18,214.20

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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.