Home / 22,256.12-30,712.44-12,184.98

Finding the Fourth Proportional to 22,256.12, 30,712.44 and 12,184.98

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Solution

The fourth proportional to 22,256.12, 30,712.44 and 12,184.98 is: 16,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.12 : 30,712.44 = 12,184.98 : x
  2. Step 2: Convert to fraction form
    22,256.12/30,712.44 = 12,184.98/x
  3. Step 3: Cross multiply
    22,256.12x = 30,712.44 × 12,184.98
  4. Step 4: Simplify right side
    22,256.12x = 374,230,467.15
  5. Step 5: Solve for x
    x = 374,230,467.15/22,256.12
  6. Step 6: Final answer
    x = 16,814.72

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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.