Home / 22,540.97-31,096.07-14,585.76

Finding the Fourth Proportional to 22,540.97, 31,096.07 and 14,585.76

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Solution

The fourth proportional to 22,540.97, 31,096.07 and 14,585.76 is: 20,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.97 : 31,096.07 = 14,585.76 : x
  2. Step 2: Convert to fraction form
    22,540.97/31,096.07 = 14,585.76/x
  3. Step 3: Cross multiply
    22,540.97x = 31,096.07 × 14,585.76
  4. Step 4: Simplify right side
    22,540.97x = 453,559,741.03
  5. Step 5: Solve for x
    x = 453,559,741.03/22,540.97
  6. Step 6: Final answer
    x = 20,121.57

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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.