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Finding the Fourth Proportional to 14,853.76, 20,483.04 and 9,548.80

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Solution

The fourth proportional to 14,853.76, 20,483.04 and 9,548.80 is: 13,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.76 : 20,483.04 = 9,548.80 : x
  2. Step 2: Convert to fraction form
    14,853.76/20,483.04 = 9,548.80/x
  3. Step 3: Cross multiply
    14,853.76x = 20,483.04 × 9,548.80
  4. Step 4: Simplify right side
    14,853.76x = 195,588,452.35
  5. Step 5: Solve for x
    x = 195,588,452.35/14,853.76
  6. Step 6: Final answer
    x = 13,167.61

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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.