Home / 18,593.90-25,642.44-12,634.46

Finding the Fourth Proportional to 18,593.90, 25,642.44 and 12,634.46

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Solution

The fourth proportional to 18,593.90, 25,642.44 and 12,634.46 is: 17,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.90 : 25,642.44 = 12,634.46 : x
  2. Step 2: Convert to fraction form
    18,593.90/25,642.44 = 12,634.46/x
  3. Step 3: Cross multiply
    18,593.90x = 25,642.44 × 12,634.46
  4. Step 4: Simplify right side
    18,593.90x = 323,978,382.48
  5. Step 5: Solve for x
    x = 323,978,382.48/18,593.90
  6. Step 6: Final answer
    x = 17,423.91

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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.