Home / 34,397.68-51,611.34-18,613.80

Finding the Fourth Proportional to 34,397.68, 51,611.34 and 18,613.80

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Solution

The fourth proportional to 34,397.68, 51,611.34 and 18,613.80 is: 27,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397.68 : 51,611.34 = 18,613.80 : x
  2. Step 2: Convert to fraction form
    34,397.68/51,611.34 = 18,613.80/x
  3. Step 3: Cross multiply
    34,397.68x = 51,611.34 × 18,613.80
  4. Step 4: Simplify right side
    34,397.68x = 960,683,151.77
  5. Step 5: Solve for x
    x = 960,683,151.77/34,397.68
  6. Step 6: Final answer
    x = 27,928.72

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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.