Home / 23,231.94-34,818.75-13,878.87

Finding the Fourth Proportional to 23,231.94, 34,818.75 and 13,878.87

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Solution

The fourth proportional to 23,231.94, 34,818.75 and 13,878.87 is: 20,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.94 : 34,818.75 = 13,878.87 : x
  2. Step 2: Convert to fraction form
    23,231.94/34,818.75 = 13,878.87/x
  3. Step 3: Cross multiply
    23,231.94x = 34,818.75 × 13,878.87
  4. Step 4: Simplify right side
    23,231.94x = 483,244,904.81
  5. Step 5: Solve for x
    x = 483,244,904.81/23,231.94
  6. Step 6: Final answer
    x = 20,800.88

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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.