Home / 14,680.35-20,260.98-8,630.28

Finding the Fourth Proportional to 14,680.35, 20,260.98 and 8,630.28

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Solution

The fourth proportional to 14,680.35, 20,260.98 and 8,630.28 is: 11,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.35 : 20,260.98 = 8,630.28 : x
  2. Step 2: Convert to fraction form
    14,680.35/20,260.98 = 8,630.28/x
  3. Step 3: Cross multiply
    14,680.35x = 20,260.98 × 8,630.28
  4. Step 4: Simplify right side
    14,680.35x = 174,857,930.47
  5. Step 5: Solve for x
    x = 174,857,930.47/14,680.35
  6. Step 6: Final answer
    x = 11,911.02

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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.