Home / 25,168.10-34,739.71-16,215.57

Finding the Fourth Proportional to 25,168.10, 34,739.71 and 16,215.57

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Solution

The fourth proportional to 25,168.10, 34,739.71 and 16,215.57 is: 22,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.10 : 34,739.71 = 16,215.57 : x
  2. Step 2: Convert to fraction form
    25,168.10/34,739.71 = 16,215.57/x
  3. Step 3: Cross multiply
    25,168.10x = 34,739.71 × 16,215.57
  4. Step 4: Simplify right side
    25,168.10x = 563,324,158.75
  5. Step 5: Solve for x
    x = 563,324,158.75/25,168.10
  6. Step 6: Final answer
    x = 22,382.47

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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.