Home / 14,713.99-20,288.41-11,171.05

Finding the Fourth Proportional to 14,713.99, 20,288.41 and 11,171.05

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Solution

The fourth proportional to 14,713.99, 20,288.41 and 11,171.05 is: 15,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.99 : 20,288.41 = 11,171.05 : x
  2. Step 2: Convert to fraction form
    14,713.99/20,288.41 = 11,171.05/x
  3. Step 3: Cross multiply
    14,713.99x = 20,288.41 × 11,171.05
  4. Step 4: Simplify right side
    14,713.99x = 226,642,842.53
  5. Step 5: Solve for x
    x = 226,642,842.53/14,713.99
  6. Step 6: Final answer
    x = 15,403.22

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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.