Home / 18,206.02-25,126.70-10,249.80

Finding the Fourth Proportional to 18,206.02, 25,126.70 and 10,249.80

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Solution

The fourth proportional to 18,206.02, 25,126.70 and 10,249.80 is: 14,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.02 : 25,126.70 = 10,249.80 : x
  2. Step 2: Convert to fraction form
    18,206.02/25,126.70 = 10,249.80/x
  3. Step 3: Cross multiply
    18,206.02x = 25,126.70 × 10,249.80
  4. Step 4: Simplify right side
    18,206.02x = 257,543,649.66
  5. Step 5: Solve for x
    x = 257,543,649.66/18,206.02
  6. Step 6: Final answer
    x = 14,146.07

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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.