Home / 19,171.14-26,456.16-10,787.64

Finding the Fourth Proportional to 19,171.14, 26,456.16 and 10,787.64

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Solution

The fourth proportional to 19,171.14, 26,456.16 and 10,787.64 is: 14,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.14 : 26,456.16 = 10,787.64 : x
  2. Step 2: Convert to fraction form
    19,171.14/26,456.16 = 10,787.64/x
  3. Step 3: Cross multiply
    19,171.14x = 26,456.16 × 10,787.64
  4. Step 4: Simplify right side
    19,171.14x = 285,399,529.86
  5. Step 5: Solve for x
    x = 285,399,529.86/19,171.14
  6. Step 6: Final answer
    x = 14,886.94

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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.