Home / 22,636.29-31,236.63-12,564.75

Finding the Fourth Proportional to 22,636.29, 31,236.63 and 12,564.75

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Solution

The fourth proportional to 22,636.29, 31,236.63 and 12,564.75 is: 17,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.29 : 31,236.63 = 12,564.75 : x
  2. Step 2: Convert to fraction form
    22,636.29/31,236.63 = 12,564.75/x
  3. Step 3: Cross multiply
    22,636.29x = 31,236.63 × 12,564.75
  4. Step 4: Simplify right side
    22,636.29x = 392,480,446.79
  5. Step 5: Solve for x
    x = 392,480,446.79/22,636.29
  6. Step 6: Final answer
    x = 17,338.55

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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.