Home / 15,136.70-22,699.65-5,276.30

Finding the Fourth Proportional to 15,136.70, 22,699.65 and 5,276.30

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Solution

The fourth proportional to 15,136.70, 22,699.65 and 5,276.30 is: 7,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.70 : 22,699.65 = 5,276.30 : x
  2. Step 2: Convert to fraction form
    15,136.70/22,699.65 = 5,276.30/x
  3. Step 3: Cross multiply
    15,136.70x = 22,699.65 × 5,276.30
  4. Step 4: Simplify right side
    15,136.70x = 119,770,163.30
  5. Step 5: Solve for x
    x = 119,770,163.30/15,136.70
  6. Step 6: Final answer
    x = 7,912.57

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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.