Home / 23,747.14-32,771.05-13,136.78

Finding the Fourth Proportional to 23,747.14, 32,771.05 and 13,136.78

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Solution

The fourth proportional to 23,747.14, 32,771.05 and 13,136.78 is: 18,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,747.14 : 32,771.05 = 13,136.78 : x
  2. Step 2: Convert to fraction form
    23,747.14/32,771.05 = 13,136.78/x
  3. Step 3: Cross multiply
    23,747.14x = 32,771.05 × 13,136.78
  4. Step 4: Simplify right side
    23,747.14x = 430,506,123.30
  5. Step 5: Solve for x
    x = 430,506,123.30/23,747.14
  6. Step 6: Final answer
    x = 18,128.76

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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.