Home / 22,467.44-31,005.20-12,395.72

Finding the Fourth Proportional to 22,467.44, 31,005.20 and 12,395.72

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Solution

The fourth proportional to 22,467.44, 31,005.20 and 12,395.72 is: 17,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.44 : 31,005.20 = 12,395.72 : x
  2. Step 2: Convert to fraction form
    22,467.44/31,005.20 = 12,395.72/x
  3. Step 3: Cross multiply
    22,467.44x = 31,005.20 × 12,395.72
  4. Step 4: Simplify right side
    22,467.44x = 384,331,777.74
  5. Step 5: Solve for x
    x = 384,331,777.74/22,467.44
  6. Step 6: Final answer
    x = 17,106.17

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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.