Home / 17,515.25-24,142.80-11,847.93

Finding the Fourth Proportional to 17,515.25, 24,142.80 and 11,847.93

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Solution

The fourth proportional to 17,515.25, 24,142.80 and 11,847.93 is: 16,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.25 : 24,142.80 = 11,847.93 : x
  2. Step 2: Convert to fraction form
    17,515.25/24,142.80 = 11,847.93/x
  3. Step 3: Cross multiply
    17,515.25x = 24,142.80 × 11,847.93
  4. Step 4: Simplify right side
    17,515.25x = 286,042,204.40
  5. Step 5: Solve for x
    x = 286,042,204.40/17,515.25
  6. Step 6: Final answer
    x = 16,331.04

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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.