Home / 18,833.48-25,994.98-12,867.56

Finding the Fourth Proportional to 18,833.48, 25,994.98 and 12,867.56

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Solution

The fourth proportional to 18,833.48, 25,994.98 and 12,867.56 is: 17,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.48 : 25,994.98 = 12,867.56 : x
  2. Step 2: Convert to fraction form
    18,833.48/25,994.98 = 12,867.56/x
  3. Step 3: Cross multiply
    18,833.48x = 25,994.98 × 12,867.56
  4. Step 4: Simplify right side
    18,833.48x = 334,491,964.85
  5. Step 5: Solve for x
    x = 334,491,964.85/18,833.48
  6. Step 6: Final answer
    x = 17,760.50

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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.