Home / 15,649.19-21,596.16-8,575.56

Finding the Fourth Proportional to 15,649.19, 21,596.16 and 8,575.56

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Solution

The fourth proportional to 15,649.19, 21,596.16 and 8,575.56 is: 11,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.19 : 21,596.16 = 8,575.56 : x
  2. Step 2: Convert to fraction form
    15,649.19/21,596.16 = 8,575.56/x
  3. Step 3: Cross multiply
    15,649.19x = 21,596.16 × 8,575.56
  4. Step 4: Simplify right side
    15,649.19x = 185,199,165.85
  5. Step 5: Solve for x
    x = 185,199,165.85/15,649.19
  6. Step 6: Final answer
    x = 11,834.43

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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.