Home / 23,133.74-31,930.54-15,087.44

Finding the Fourth Proportional to 23,133.74, 31,930.54 and 15,087.44

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Solution

The fourth proportional to 23,133.74, 31,930.54 and 15,087.44 is: 20,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.74 : 31,930.54 = 15,087.44 : x
  2. Step 2: Convert to fraction form
    23,133.74/31,930.54 = 15,087.44/x
  3. Step 3: Cross multiply
    23,133.74x = 31,930.54 × 15,087.44
  4. Step 4: Simplify right side
    23,133.74x = 481,750,106.42
  5. Step 5: Solve for x
    x = 481,750,106.42/23,133.74
  6. Step 6: Final answer
    x = 20,824.57

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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.