Home / 14,618.50-20,173.72-8,650.02

Finding the Fourth Proportional to 14,618.50, 20,173.72 and 8,650.02

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Solution

The fourth proportional to 14,618.50, 20,173.72 and 8,650.02 is: 11,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.50 : 20,173.72 = 8,650.02 : x
  2. Step 2: Convert to fraction form
    14,618.50/20,173.72 = 8,650.02/x
  3. Step 3: Cross multiply
    14,618.50x = 20,173.72 × 8,650.02
  4. Step 4: Simplify right side
    14,618.50x = 174,503,081.47
  5. Step 5: Solve for x
    x = 174,503,081.47/14,618.50
  6. Step 6: Final answer
    x = 11,937.14

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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.