Home / 14,586.28-20,129.53-8,299.06

Finding the Fourth Proportional to 14,586.28, 20,129.53 and 8,299.06

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Solution

The fourth proportional to 14,586.28, 20,129.53 and 8,299.06 is: 11,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.28 : 20,129.53 = 8,299.06 : x
  2. Step 2: Convert to fraction form
    14,586.28/20,129.53 = 8,299.06/x
  3. Step 3: Cross multiply
    14,586.28x = 20,129.53 × 8,299.06
  4. Step 4: Simplify right side
    14,586.28x = 167,056,177.24
  5. Step 5: Solve for x
    x = 167,056,177.24/14,586.28
  6. Step 6: Final answer
    x = 11,452.97

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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.