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Finding the Fourth Proportional to 14,602.26, 20,151.14 and 8,314.64

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Solution

The fourth proportional to 14,602.26, 20,151.14 and 8,314.64 is: 11,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.26 : 20,151.14 = 8,314.64 : x
  2. Step 2: Convert to fraction form
    14,602.26/20,151.14 = 8,314.64/x
  3. Step 3: Cross multiply
    14,602.26x = 20,151.14 × 8,314.64
  4. Step 4: Simplify right side
    14,602.26x = 167,549,474.69
  5. Step 5: Solve for x
    x = 167,549,474.69/14,602.26
  6. Step 6: Final answer
    x = 11,474.22

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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.