Home / 14,614.13-20,168.48-8,326.55

Finding the Fourth Proportional to 14,614.13, 20,168.48 and 8,326.55

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Solution

The fourth proportional to 14,614.13, 20,168.48 and 8,326.55 is: 11,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.13 : 20,168.48 = 8,326.55 : x
  2. Step 2: Convert to fraction form
    14,614.13/20,168.48 = 8,326.55/x
  3. Step 3: Cross multiply
    14,614.13x = 20,168.48 × 8,326.55
  4. Step 4: Simplify right side
    14,614.13x = 167,933,857.14
  5. Step 5: Solve for x
    x = 167,933,857.14/14,614.13
  6. Step 6: Final answer
    x = 11,491.20

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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.