Home / 14,595.33-20,123.42-12,173.78

Finding the Fourth Proportional to 14,595.33, 20,123.42 and 12,173.78

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Solution

The fourth proportional to 14,595.33, 20,123.42 and 12,173.78 is: 16,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.33 : 20,123.42 = 12,173.78 : x
  2. Step 2: Convert to fraction form
    14,595.33/20,123.42 = 12,173.78/x
  3. Step 3: Cross multiply
    14,595.33x = 20,123.42 × 12,173.78
  4. Step 4: Simplify right side
    14,595.33x = 244,977,926.44
  5. Step 5: Solve for x
    x = 244,977,926.44/14,595.33
  6. Step 6: Final answer
    x = 16,784.68

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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.