Home / 15,649.89-21,596.82-8,576.46

Finding the Fourth Proportional to 15,649.89, 21,596.82 and 8,576.46

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Solution

The fourth proportional to 15,649.89, 21,596.82 and 8,576.46 is: 11,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.89 : 21,596.82 = 8,576.46 : x
  2. Step 2: Convert to fraction form
    15,649.89/21,596.82 = 8,576.46/x
  3. Step 3: Cross multiply
    15,649.89x = 21,596.82 × 8,576.46
  4. Step 4: Simplify right side
    15,649.89x = 185,224,262.86
  5. Step 5: Solve for x
    x = 185,224,262.86/15,649.89
  6. Step 6: Final answer
    x = 11,835.50

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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.