Home / 22,636.13-31,234.25-12,564.36

Finding the Fourth Proportional to 22,636.13, 31,234.25 and 12,564.36

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Solution

The fourth proportional to 22,636.13, 31,234.25 and 12,564.36 is: 17,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.13 : 31,234.25 = 12,564.36 : x
  2. Step 2: Convert to fraction form
    22,636.13/31,234.25 = 12,564.36/x
  3. Step 3: Cross multiply
    22,636.13x = 31,234.25 × 12,564.36
  4. Step 4: Simplify right side
    22,636.13x = 392,438,298.51
  5. Step 5: Solve for x
    x = 392,438,298.51/22,636.13
  6. Step 6: Final answer
    x = 17,336.81

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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.