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Finding the Fourth Proportional to 18,593.88, 25,659.55 and 10,210.38

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Solution

The fourth proportional to 18,593.88, 25,659.55 and 10,210.38 is: 14,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.88 : 25,659.55 = 10,210.38 : x
  2. Step 2: Convert to fraction form
    18,593.88/25,659.55 = 10,210.38/x
  3. Step 3: Cross multiply
    18,593.88x = 25,659.55 × 10,210.38
  4. Step 4: Simplify right side
    18,593.88x = 261,993,756.13
  5. Step 5: Solve for x
    x = 261,993,756.13/18,593.88
  6. Step 6: Final answer
    x = 14,090.32

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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.