Home / 14,614.24-20,172.90-8,651.02

Finding the Fourth Proportional to 14,614.24, 20,172.90 and 8,651.02

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Solution

The fourth proportional to 14,614.24, 20,172.90 and 8,651.02 is: 11,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.24 : 20,172.90 = 8,651.02 : x
  2. Step 2: Convert to fraction form
    14,614.24/20,172.90 = 8,651.02/x
  3. Step 3: Cross multiply
    14,614.24x = 20,172.90 × 8,651.02
  4. Step 4: Simplify right side
    14,614.24x = 174,516,161.36
  5. Step 5: Solve for x
    x = 174,516,161.36/14,614.24
  6. Step 6: Final answer
    x = 11,941.51

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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.