Home / 13,592.70-18,756.63-7,623

Finding the Fourth Proportional to 13,592.70, 18,756.63 and 7,623

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Solution

The fourth proportional to 13,592.70, 18,756.63 and 7,623 is: 10,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.70 : 18,756.63 = 7,623 : x
  2. Step 2: Convert to fraction form
    13,592.70/18,756.63 = 7,623/x
  3. Step 3: Cross multiply
    13,592.70x = 18,756.63 × 7,623
  4. Step 4: Simplify right side
    13,592.70x = 142,981,790.49
  5. Step 5: Solve for x
    x = 142,981,790.49/13,592.70
  6. Step 6: Final answer
    x = 10,519.01

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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.