Home / 23,930.54-33,009.44-15,429.50

Finding the Fourth Proportional to 23,930.54, 33,009.44 and 15,429.50

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Solution

The fourth proportional to 23,930.54, 33,009.44 and 15,429.50 is: 21,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.54 : 33,009.44 = 15,429.50 : x
  2. Step 2: Convert to fraction form
    23,930.54/33,009.44 = 15,429.50/x
  3. Step 3: Cross multiply
    23,930.54x = 33,009.44 × 15,429.50
  4. Step 4: Simplify right side
    23,930.54x = 509,318,912.29
  5. Step 5: Solve for x
    x = 509,318,912.29/23,930.54
  6. Step 6: Final answer
    x = 21,283.22

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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.