Home / 18,535.18-27,821.49-16,440.52

Finding the Fourth Proportional to 18,535.18, 27,821.49 and 16,440.52

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Solution

The fourth proportional to 18,535.18, 27,821.49 and 16,440.52 is: 24,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.18 : 27,821.49 = 16,440.52 : x
  2. Step 2: Convert to fraction form
    18,535.18/27,821.49 = 16,440.52/x
  3. Step 3: Cross multiply
    18,535.18x = 27,821.49 × 16,440.52
  4. Step 4: Simplify right side
    18,535.18x = 457,399,762.77
  5. Step 5: Solve for x
    x = 457,399,762.77/18,535.18
  6. Step 6: Final answer
    x = 24,677.38

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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.