Home / 22,564.44-31,138.51-12,492.66

Finding the Fourth Proportional to 22,564.44, 31,138.51 and 12,492.66

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Solution

The fourth proportional to 22,564.44, 31,138.51 and 12,492.66 is: 17,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.44 : 31,138.51 = 12,492.66 : x
  2. Step 2: Convert to fraction form
    22,564.44/31,138.51 = 12,492.66/x
  3. Step 3: Cross multiply
    22,564.44x = 31,138.51 × 12,492.66
  4. Step 4: Simplify right side
    22,564.44x = 389,002,818.34
  5. Step 5: Solve for x
    x = 389,002,818.34/22,564.44
  6. Step 6: Final answer
    x = 17,239.64

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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.