Home / 16,828.17-25,236.32-4,978.77

Finding the Fourth Proportional to 16,828.17, 25,236.32 and 4,978.77

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Solution

The fourth proportional to 16,828.17, 25,236.32 and 4,978.77 is: 7,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.17 : 25,236.32 = 4,978.77 : x
  2. Step 2: Convert to fraction form
    16,828.17/25,236.32 = 4,978.77/x
  3. Step 3: Cross multiply
    16,828.17x = 25,236.32 × 4,978.77
  4. Step 4: Simplify right side
    16,828.17x = 125,645,808.03
  5. Step 5: Solve for x
    x = 125,645,808.03/16,828.17
  6. Step 6: Final answer
    x = 7,466.40

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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.