Home / 23,418.74-32,318.34-12,809.06

Finding the Fourth Proportional to 23,418.74, 32,318.34 and 12,809.06

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Solution

The fourth proportional to 23,418.74, 32,318.34 and 12,809.06 is: 17,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.74 : 32,318.34 = 12,809.06 : x
  2. Step 2: Convert to fraction form
    23,418.74/32,318.34 = 12,809.06/x
  3. Step 3: Cross multiply
    23,418.74x = 32,318.34 × 12,809.06
  4. Step 4: Simplify right side
    23,418.74x = 413,967,556.16
  5. Step 5: Solve for x
    x = 413,967,556.16/23,418.74
  6. Step 6: Final answer
    x = 17,676.76

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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.