Home / 21,184.98-29,236.67-12,232.86

Finding the Fourth Proportional to 21,184.98, 29,236.67 and 12,232.86

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Solution

The fourth proportional to 21,184.98, 29,236.67 and 12,232.86 is: 16,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.98 : 29,236.67 = 12,232.86 : x
  2. Step 2: Convert to fraction form
    21,184.98/29,236.67 = 12,232.86/x
  3. Step 3: Cross multiply
    21,184.98x = 29,236.67 × 12,232.86
  4. Step 4: Simplify right side
    21,184.98x = 357,648,029.81
  5. Step 5: Solve for x
    x = 357,648,029.81/21,184.98
  6. Step 6: Final answer
    x = 16,882.15

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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.