Home / 14,181.29-19,568.21-8,210.78

Finding the Fourth Proportional to 14,181.29, 19,568.21 and 8,210.78

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Solution

The fourth proportional to 14,181.29, 19,568.21 and 8,210.78 is: 11,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.29 : 19,568.21 = 8,210.78 : x
  2. Step 2: Convert to fraction form
    14,181.29/19,568.21 = 8,210.78/x
  3. Step 3: Cross multiply
    14,181.29x = 19,568.21 × 8,210.78
  4. Step 4: Simplify right side
    14,181.29x = 160,670,128.41
  5. Step 5: Solve for x
    x = 160,670,128.41/14,181.29
  6. Step 6: Final answer
    x = 11,329.73

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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.