Home / 22,636.41-31,236.76-12,564.36

Finding the Fourth Proportional to 22,636.41, 31,236.76 and 12,564.36

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Solution

The fourth proportional to 22,636.41, 31,236.76 and 12,564.36 is: 17,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.41 : 31,236.76 = 12,564.36 : x
  2. Step 2: Convert to fraction form
    22,636.41/31,236.76 = 12,564.36/x
  3. Step 3: Cross multiply
    22,636.41x = 31,236.76 × 12,564.36
  4. Step 4: Simplify right side
    22,636.41x = 392,469,897.87
  5. Step 5: Solve for x
    x = 392,469,897.87/22,636.41
  6. Step 6: Final answer
    x = 17,337.99

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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.