Home / 18,316.75-27,430.32-16,541.82

Finding the Fourth Proportional to 18,316.75, 27,430.32 and 16,541.82

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Solution

The fourth proportional to 18,316.75, 27,430.32 and 16,541.82 is: 24,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.75 : 27,430.32 = 16,541.82 : x
  2. Step 2: Convert to fraction form
    18,316.75/27,430.32 = 16,541.82/x
  3. Step 3: Cross multiply
    18,316.75x = 27,430.32 × 16,541.82
  4. Step 4: Simplify right side
    18,316.75x = 453,747,415.98
  5. Step 5: Solve for x
    x = 453,747,415.98/18,316.75
  6. Step 6: Final answer
    x = 24,772.27

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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.