Home / 19,171.08-26,456.06-10,787.58

Finding the Fourth Proportional to 19,171.08, 26,456.06 and 10,787.58

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Solution

The fourth proportional to 19,171.08, 26,456.06 and 10,787.58 is: 14,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.08 : 26,456.06 = 10,787.58 : x
  2. Step 2: Convert to fraction form
    19,171.08/26,456.06 = 10,787.58/x
  3. Step 3: Cross multiply
    19,171.08x = 26,456.06 × 10,787.58
  4. Step 4: Simplify right side
    19,171.08x = 285,396,863.73
  5. Step 5: Solve for x
    x = 285,396,863.73/19,171.08
  6. Step 6: Final answer
    x = 14,886.84

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1.5x scale

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.