Home / 20,241.65-27,923.27-13,536.20

Finding the Fourth Proportional to 20,241.65, 27,923.27 and 13,536.20

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Solution

The fourth proportional to 20,241.65, 27,923.27 and 13,536.20 is: 18,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.65 : 27,923.27 = 13,536.20 : x
  2. Step 2: Convert to fraction form
    20,241.65/27,923.27 = 13,536.20/x
  3. Step 3: Cross multiply
    20,241.65x = 27,923.27 × 13,536.20
  4. Step 4: Simplify right side
    20,241.65x = 377,974,969.50
  5. Step 5: Solve for x
    x = 377,974,969.50/20,241.65
  6. Step 6: Final answer
    x = 18,673.13

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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.