Home / 23,131.49-34,692.04-10,639.51

Finding the Fourth Proportional to 23,131.49, 34,692.04 and 10,639.51

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Solution

The fourth proportional to 23,131.49, 34,692.04 and 10,639.51 is: 15,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.49 : 34,692.04 = 10,639.51 : x
  2. Step 2: Convert to fraction form
    23,131.49/34,692.04 = 10,639.51/x
  3. Step 3: Cross multiply
    23,131.49x = 34,692.04 × 10,639.51
  4. Step 4: Simplify right side
    23,131.49x = 369,106,270.79
  5. Step 5: Solve for x
    x = 369,106,270.79/23,131.49
  6. Step 6: Final answer
    x = 15,956.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.