Home / 36,788.88-55,176-10,486.56

Finding the Fourth Proportional to 36,788.88, 55,176 and 10,486.56

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Solution

The fourth proportional to 36,788.88, 55,176 and 10,486.56 is: 15,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.88 : 55,176 = 10,486.56 : x
  2. Step 2: Convert to fraction form
    36,788.88/55,176 = 10,486.56/x
  3. Step 3: Cross multiply
    36,788.88x = 55,176 × 10,486.56
  4. Step 4: Simplify right side
    36,788.88x = 578,606,434.56
  5. Step 5: Solve for x
    x = 578,606,434.56/36,788.88
  6. Step 6: Final answer
    x = 15,727.75

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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.