Home / 23,098.14-31,878.45-13,029.75

Finding the Fourth Proportional to 23,098.14, 31,878.45 and 13,029.75

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Solution

The fourth proportional to 23,098.14, 31,878.45 and 13,029.75 is: 17,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,098.14 : 31,878.45 = 13,029.75 : x
  2. Step 2: Convert to fraction form
    23,098.14/31,878.45 = 13,029.75/x
  3. Step 3: Cross multiply
    23,098.14x = 31,878.45 × 13,029.75
  4. Step 4: Simplify right side
    23,098.14x = 415,368,233.89
  5. Step 5: Solve for x
    x = 415,368,233.89/23,098.14
  6. Step 6: Final answer
    x = 17,982.76

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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.