Home / 21,184.95-29,237.83-12,232.44

Finding the Fourth Proportional to 21,184.95, 29,237.83 and 12,232.44

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Solution

The fourth proportional to 21,184.95, 29,237.83 and 12,232.44 is: 16,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.95 : 29,237.83 = 12,232.44 : x
  2. Step 2: Convert to fraction form
    21,184.95/29,237.83 = 12,232.44/x
  3. Step 3: Cross multiply
    21,184.95x = 29,237.83 × 12,232.44
  4. Step 4: Simplify right side
    21,184.95x = 357,649,970.62
  5. Step 5: Solve for x
    x = 357,649,970.62/21,184.95
  6. Step 6: Final answer
    x = 16,882.27

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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.