Home / 22,696.60-31,316.57-13,744.75

Finding the Fourth Proportional to 22,696.60, 31,316.57 and 13,744.75

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Solution

The fourth proportional to 22,696.60, 31,316.57 and 13,744.75 is: 18,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.60 : 31,316.57 = 13,744.75 : x
  2. Step 2: Convert to fraction form
    22,696.60/31,316.57 = 13,744.75/x
  3. Step 3: Cross multiply
    22,696.60x = 31,316.57 × 13,744.75
  4. Step 4: Simplify right side
    22,696.60x = 430,438,330.04
  5. Step 5: Solve for x
    x = 430,438,330.04/22,696.60
  6. Step 6: Final answer
    x = 18,964.88

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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.