Home / 22,636.77-31,242.44-12,568.47

Finding the Fourth Proportional to 22,636.77, 31,242.44 and 12,568.47

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Solution

The fourth proportional to 22,636.77, 31,242.44 and 12,568.47 is: 17,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.77 : 31,242.44 = 12,568.47 : x
  2. Step 2: Convert to fraction form
    22,636.77/31,242.44 = 12,568.47/x
  3. Step 3: Cross multiply
    22,636.77x = 31,242.44 × 12,568.47
  4. Step 4: Simplify right side
    22,636.77x = 392,669,450.81
  5. Step 5: Solve for x
    x = 392,669,450.81/22,636.77
  6. Step 6: Final answer
    x = 17,346.54

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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.