Home / 55,649.03-83,485.22-18,206.20

Finding the Fourth Proportional to 55,649.03, 83,485.22 and 18,206.20

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Solution

The fourth proportional to 55,649.03, 83,485.22 and 18,206.20 is: 27,313.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.03 : 83,485.22 = 18,206.20 : x
  2. Step 2: Convert to fraction form
    55,649.03/83,485.22 = 18,206.20/x
  3. Step 3: Cross multiply
    55,649.03x = 83,485.22 × 18,206.20
  4. Step 4: Simplify right side
    55,649.03x = 1,519,948,625.69
  5. Step 5: Solve for x
    x = 1,519,948,625.69/55,649.03
  6. Step 6: Final answer
    x = 27,313.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.