Home / 23,178.70-34,764.36-7,381.68

Finding the Fourth Proportional to 23,178.70, 34,764.36 and 7,381.68

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Solution

The fourth proportional to 23,178.70, 34,764.36 and 7,381.68 is: 11,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.70 : 34,764.36 = 7,381.68 : x
  2. Step 2: Convert to fraction form
    23,178.70/34,764.36 = 7,381.68/x
  3. Step 3: Cross multiply
    23,178.70x = 34,764.36 × 7,381.68
  4. Step 4: Simplify right side
    23,178.70x = 256,619,380.92
  5. Step 5: Solve for x
    x = 256,619,380.92/23,178.70
  6. Step 6: Final answer
    x = 11,071.34

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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.