Home / 14,602.39-20,151.30-8,314.75

Finding the Fourth Proportional to 14,602.39, 20,151.30 and 8,314.75

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Solution

The fourth proportional to 14,602.39, 20,151.30 and 8,314.75 is: 11,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.39 : 20,151.30 = 8,314.75 : x
  2. Step 2: Convert to fraction form
    14,602.39/20,151.30 = 8,314.75/x
  3. Step 3: Cross multiply
    14,602.39x = 20,151.30 × 8,314.75
  4. Step 4: Simplify right side
    14,602.39x = 167,553,021.68
  5. Step 5: Solve for x
    x = 167,553,021.68/14,602.39
  6. Step 6: Final answer
    x = 11,474.36

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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.