Home / 17,639.21-24,333.44-12,851.71

Finding the Fourth Proportional to 17,639.21, 24,333.44 and 12,851.71

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Solution

The fourth proportional to 17,639.21, 24,333.44 and 12,851.71 is: 17,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.21 : 24,333.44 = 12,851.71 : x
  2. Step 2: Convert to fraction form
    17,639.21/24,333.44 = 12,851.71/x
  3. Step 3: Cross multiply
    17,639.21x = 24,333.44 × 12,851.71
  4. Step 4: Simplify right side
    17,639.21x = 312,726,314.18
  5. Step 5: Solve for x
    x = 312,726,314.18/17,639.21
  6. Step 6: Final answer
    x = 17,729.04

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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.