Home / 17,511-24,156.84-11,847.72

Finding the Fourth Proportional to 17,511, 24,156.84 and 11,847.72

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Solution

The fourth proportional to 17,511, 24,156.84 and 11,847.72 is: 16,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511 : 24,156.84 = 11,847.72 : x
  2. Step 2: Convert to fraction form
    17,511/24,156.84 = 11,847.72/x
  3. Step 3: Cross multiply
    17,511x = 24,156.84 × 11,847.72
  4. Step 4: Simplify right side
    17,511x = 286,203,476.40
  5. Step 5: Solve for x
    x = 286,203,476.40/17,511
  6. Step 6: Final answer
    x = 16,344.21

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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.