Home / 16,887.30-25,303.20-5,787.93

Finding the Fourth Proportional to 16,887.30, 25,303.20 and 5,787.93

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Solution

The fourth proportional to 16,887.30, 25,303.20 and 5,787.93 is: 8,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.30 : 25,303.20 = 5,787.93 : x
  2. Step 2: Convert to fraction form
    16,887.30/25,303.20 = 5,787.93/x
  3. Step 3: Cross multiply
    16,887.30x = 25,303.20 × 5,787.93
  4. Step 4: Simplify right side
    16,887.30x = 146,453,113.78
  5. Step 5: Solve for x
    x = 146,453,113.78/16,887.30
  6. Step 6: Final answer
    x = 8,672.38

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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.