Home / 17,790.21-24,473.66-15,382.22

Finding the Fourth Proportional to 17,790.21, 24,473.66 and 15,382.22

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Solution

The fourth proportional to 17,790.21, 24,473.66 and 15,382.22 is: 21,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.21 : 24,473.66 = 15,382.22 : x
  2. Step 2: Convert to fraction form
    17,790.21/24,473.66 = 15,382.22/x
  3. Step 3: Cross multiply
    17,790.21x = 24,473.66 × 15,382.22
  4. Step 4: Simplify right side
    17,790.21x = 376,459,023.05
  5. Step 5: Solve for x
    x = 376,459,023.05/17,790.21
  6. Step 6: Final answer
    x = 21,161.02

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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.