Home / 16,786.31-25,188.28-7,432.79

Finding the Fourth Proportional to 16,786.31, 25,188.28 and 7,432.79

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Solution

The fourth proportional to 16,786.31, 25,188.28 and 7,432.79 is: 11,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.31 : 25,188.28 = 7,432.79 : x
  2. Step 2: Convert to fraction form
    16,786.31/25,188.28 = 7,432.79/x
  3. Step 3: Cross multiply
    16,786.31x = 25,188.28 × 7,432.79
  4. Step 4: Simplify right side
    16,786.31x = 187,219,051.18
  5. Step 5: Solve for x
    x = 187,219,051.18/16,786.31
  6. Step 6: Final answer
    x = 11,153.08

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1.5x scale

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.