Home / 14,586.62-20,122.70-8,614.22

Finding the Fourth Proportional to 14,586.62, 20,122.70 and 8,614.22

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Solution

The fourth proportional to 14,586.62, 20,122.70 and 8,614.22 is: 11,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.62 : 20,122.70 = 8,614.22 : x
  2. Step 2: Convert to fraction form
    14,586.62/20,122.70 = 8,614.22/x
  3. Step 3: Cross multiply
    14,586.62x = 20,122.70 × 8,614.22
  4. Step 4: Simplify right side
    14,586.62x = 173,341,364.79
  5. Step 5: Solve for x
    x = 173,341,364.79/14,586.62
  6. Step 6: Final answer
    x = 11,883.59

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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.