Home / 19,170.92-26,454.86-10,787.96

Finding the Fourth Proportional to 19,170.92, 26,454.86 and 10,787.96

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Solution

The fourth proportional to 19,170.92, 26,454.86 and 10,787.96 is: 14,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.92 : 26,454.86 = 10,787.96 : x
  2. Step 2: Convert to fraction form
    19,170.92/26,454.86 = 10,787.96/x
  3. Step 3: Cross multiply
    19,170.92x = 26,454.86 × 10,787.96
  4. Step 4: Simplify right side
    19,170.92x = 285,393,971.49
  5. Step 5: Solve for x
    x = 285,393,971.49/19,170.92
  6. Step 6: Final answer
    x = 14,886.82

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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.