Home / 18,593.08-25,646.83-12,220.00

Finding the Fourth Proportional to 18,593.08, 25,646.83 and 12,220.00

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Solution

The fourth proportional to 18,593.08, 25,646.83 and 12,220.00 is: 16,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.08 : 25,646.83 = 12,220.00 : x
  2. Step 2: Convert to fraction form
    18,593.08/25,646.83 = 12,220.00/x
  3. Step 3: Cross multiply
    18,593.08x = 25,646.83 × 12,220.00
  4. Step 4: Simplify right side
    18,593.08x = 313,404,167.93
  5. Step 5: Solve for x
    x = 313,404,167.93/18,593.08
  6. Step 6: Final answer
    x = 16,855.96

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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.