Home / 15,649.68-21,596.60-8,576.56

Finding the Fourth Proportional to 15,649.68, 21,596.60 and 8,576.56

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Solution

The fourth proportional to 15,649.68, 21,596.60 and 8,576.56 is: 11,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.68 : 21,596.60 = 8,576.56 : x
  2. Step 2: Convert to fraction form
    15,649.68/21,596.60 = 8,576.56/x
  3. Step 3: Cross multiply
    15,649.68x = 21,596.60 × 8,576.56
  4. Step 4: Simplify right side
    15,649.68x = 185,224,535.70
  5. Step 5: Solve for x
    x = 185,224,535.70/15,649.68
  6. Step 6: Final answer
    x = 11,835.68

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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.