Home / 14,722.55-20,317.20-8,008.22

Finding the Fourth Proportional to 14,722.55, 20,317.20 and 8,008.22

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Solution

The fourth proportional to 14,722.55, 20,317.20 and 8,008.22 is: 11,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.55 : 20,317.20 = 8,008.22 : x
  2. Step 2: Convert to fraction form
    14,722.55/20,317.20 = 8,008.22/x
  3. Step 3: Cross multiply
    14,722.55x = 20,317.20 × 8,008.22
  4. Step 4: Simplify right side
    14,722.55x = 162,704,505.80
  5. Step 5: Solve for x
    x = 162,704,505.80/14,722.55
  6. Step 6: Final answer
    x = 11,051.38

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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.