Home / 23,181.13-31,990.51-14,103.37

Finding the Fourth Proportional to 23,181.13, 31,990.51 and 14,103.37

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Solution

The fourth proportional to 23,181.13, 31,990.51 and 14,103.37 is: 19,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.13 : 31,990.51 = 14,103.37 : x
  2. Step 2: Convert to fraction form
    23,181.13/31,990.51 = 14,103.37/x
  3. Step 3: Cross multiply
    23,181.13x = 31,990.51 × 14,103.37
  4. Step 4: Simplify right side
    23,181.13x = 451,173,999.02
  5. Step 5: Solve for x
    x = 451,173,999.02/23,181.13
  6. Step 6: Final answer
    x = 19,462.99

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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.