Home / 14,586.85-20,116.20-11,612.53

Finding the Fourth Proportional to 14,586.85, 20,116.20 and 11,612.53

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Solution

The fourth proportional to 14,586.85, 20,116.20 and 11,612.53 is: 16,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.85 : 20,116.20 = 11,612.53 : x
  2. Step 2: Convert to fraction form
    14,586.85/20,116.20 = 11,612.53/x
  3. Step 3: Cross multiply
    14,586.85x = 20,116.20 × 11,612.53
  4. Step 4: Simplify right side
    14,586.85x = 233,599,975.99
  5. Step 5: Solve for x
    x = 233,599,975.99/14,586.85
  6. Step 6: Final answer
    x = 16,014.42

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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.