Home / 17,136.47-25,706.82-8,364.75

Finding the Fourth Proportional to 17,136.47, 25,706.82 and 8,364.75

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Solution

The fourth proportional to 17,136.47, 25,706.82 and 8,364.75 is: 12,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.47 : 25,706.82 = 8,364.75 : x
  2. Step 2: Convert to fraction form
    17,136.47/25,706.82 = 8,364.75/x
  3. Step 3: Cross multiply
    17,136.47x = 25,706.82 × 8,364.75
  4. Step 4: Simplify right side
    17,136.47x = 215,031,122.60
  5. Step 5: Solve for x
    x = 215,031,122.60/17,136.47
  6. Step 6: Final answer
    x = 12,548.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.