Home / 16,886.64-25,302.27-5,787.36

Finding the Fourth Proportional to 16,886.64, 25,302.27 and 5,787.36

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Solution

The fourth proportional to 16,886.64, 25,302.27 and 5,787.36 is: 8,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.64 : 25,302.27 = 5,787.36 : x
  2. Step 2: Convert to fraction form
    16,886.64/25,302.27 = 5,787.36/x
  3. Step 3: Cross multiply
    16,886.64x = 25,302.27 × 5,787.36
  4. Step 4: Simplify right side
    16,886.64x = 146,433,345.31
  5. Step 5: Solve for x
    x = 146,433,345.31/16,886.64
  6. Step 6: Final answer
    x = 8,671.55

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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.