Home / 14,595.60-20,142.43-8,632.38

Finding the Fourth Proportional to 14,595.60, 20,142.43 and 8,632.38

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Solution

The fourth proportional to 14,595.60, 20,142.43 and 8,632.38 is: 11,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.60 : 20,142.43 = 8,632.38 : x
  2. Step 2: Convert to fraction form
    14,595.60/20,142.43 = 8,632.38/x
  3. Step 3: Cross multiply
    14,595.60x = 20,142.43 × 8,632.38
  4. Step 4: Simplify right side
    14,595.60x = 173,877,109.88
  5. Step 5: Solve for x
    x = 173,877,109.88/14,595.60
  6. Step 6: Final answer
    x = 11,912.98

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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.