Home / 22,656.45-31,266.47-12,584.41

Finding the Fourth Proportional to 22,656.45, 31,266.47 and 12,584.41

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Solution

The fourth proportional to 22,656.45, 31,266.47 and 12,584.41 is: 17,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.45 : 31,266.47 = 12,584.41 : x
  2. Step 2: Convert to fraction form
    22,656.45/31,266.47 = 12,584.41/x
  3. Step 3: Cross multiply
    22,656.45x = 31,266.47 × 12,584.41
  4. Step 4: Simplify right side
    22,656.45x = 393,470,077.73
  5. Step 5: Solve for x
    x = 393,470,077.73/22,656.45
  6. Step 6: Final answer
    x = 17,366.80

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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.