Home / 22,324.75-30,808.16-12,388.75

Finding the Fourth Proportional to 22,324.75, 30,808.16 and 12,388.75

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Solution

The fourth proportional to 22,324.75, 30,808.16 and 12,388.75 is: 17,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,324.75 : 30,808.16 = 12,388.75 : x
  2. Step 2: Convert to fraction form
    22,324.75/30,808.16 = 12,388.75/x
  3. Step 3: Cross multiply
    22,324.75x = 30,808.16 × 12,388.75
  4. Step 4: Simplify right side
    22,324.75x = 381,674,592.20
  5. Step 5: Solve for x
    x = 381,674,592.20/22,324.75
  6. Step 6: Final answer
    x = 17,096.48

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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.