Home / 18,403.35-27,605.48-6,716.56

Finding the Fourth Proportional to 18,403.35, 27,605.48 and 6,716.56

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Solution

The fourth proportional to 18,403.35, 27,605.48 and 6,716.56 is: 10,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.35 : 27,605.48 = 6,716.56 : x
  2. Step 2: Convert to fraction form
    18,403.35/27,605.48 = 6,716.56/x
  3. Step 3: Cross multiply
    18,403.35x = 27,605.48 × 6,716.56
  4. Step 4: Simplify right side
    18,403.35x = 185,413,862.75
  5. Step 5: Solve for x
    x = 185,413,862.75/18,403.35
  6. Step 6: Final answer
    x = 10,075.01

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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.