Home / 29,772.56-44,662.45-13,136.78

Finding the Fourth Proportional to 29,772.56, 44,662.45 and 13,136.78

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Solution

The fourth proportional to 29,772.56, 44,662.45 and 13,136.78 is: 19,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,772.56 : 44,662.45 = 13,136.78 : x
  2. Step 2: Convert to fraction form
    29,772.56/44,662.45 = 13,136.78/x
  3. Step 3: Cross multiply
    29,772.56x = 44,662.45 × 13,136.78
  4. Step 4: Simplify right side
    29,772.56x = 586,720,779.91
  5. Step 5: Solve for x
    x = 586,720,779.91/29,772.56
  6. Step 6: Final answer
    x = 19,706.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.