Home / 18,201.61-25,118.28-10,243.96

Finding the Fourth Proportional to 18,201.61, 25,118.28 and 10,243.96

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Solution

The fourth proportional to 18,201.61, 25,118.28 and 10,243.96 is: 14,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.61 : 25,118.28 = 10,243.96 : x
  2. Step 2: Convert to fraction form
    18,201.61/25,118.28 = 10,243.96/x
  3. Step 3: Cross multiply
    18,201.61x = 25,118.28 × 10,243.96
  4. Step 4: Simplify right side
    18,201.61x = 257,310,655.59
  5. Step 5: Solve for x
    x = 257,310,655.59/18,201.61
  6. Step 6: Final answer
    x = 14,136.70

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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.