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Finding the Fourth Proportional to 14,874.63, 20,527.25 and 8,160.60

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Solution

The fourth proportional to 14,874.63, 20,527.25 and 8,160.60 is: 11,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.63 : 20,527.25 = 8,160.60 : x
  2. Step 2: Convert to fraction form
    14,874.63/20,527.25 = 8,160.60/x
  3. Step 3: Cross multiply
    14,874.63x = 20,527.25 × 8,160.60
  4. Step 4: Simplify right side
    14,874.63x = 167,514,594.12
  5. Step 5: Solve for x
    x = 167,514,594.12/14,874.63
  6. Step 6: Final answer
    x = 11,261.77

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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.