Home / 23,103.11-31,883.67-13,548.35

Finding the Fourth Proportional to 23,103.11, 31,883.67 and 13,548.35

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Solution

The fourth proportional to 23,103.11, 31,883.67 and 13,548.35 is: 18,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.11 : 31,883.67 = 13,548.35 : x
  2. Step 2: Convert to fraction form
    23,103.11/31,883.67 = 13,548.35/x
  3. Step 3: Cross multiply
    23,103.11x = 31,883.67 × 13,548.35
  4. Step 4: Simplify right side
    23,103.11x = 431,970,961.03
  5. Step 5: Solve for x
    x = 431,970,961.03/23,103.11
  6. Step 6: Final answer
    x = 18,697.53

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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.