Home / 23,144.75-31,939.70-12,534.35

Finding the Fourth Proportional to 23,144.75, 31,939.70 and 12,534.35

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Solution

The fourth proportional to 23,144.75, 31,939.70 and 12,534.35 is: 17,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.75 : 31,939.70 = 12,534.35 : x
  2. Step 2: Convert to fraction form
    23,144.75/31,939.70 = 12,534.35/x
  3. Step 3: Cross multiply
    23,144.75x = 31,939.70 × 12,534.35
  4. Step 4: Simplify right side
    23,144.75x = 400,343,156.32
  5. Step 5: Solve for x
    x = 400,343,156.32/23,144.75
  6. Step 6: Final answer
    x = 17,297.37

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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.