Home / 23,099.43-31,878.29-13,027.65

Finding the Fourth Proportional to 23,099.43, 31,878.29 and 13,027.65

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Solution

The fourth proportional to 23,099.43, 31,878.29 and 13,027.65 is: 17,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.43 : 31,878.29 = 13,027.65 : x
  2. Step 2: Convert to fraction form
    23,099.43/31,878.29 = 13,027.65/x
  3. Step 3: Cross multiply
    23,099.43x = 31,878.29 × 13,027.65
  4. Step 4: Simplify right side
    23,099.43x = 415,299,297.06
  5. Step 5: Solve for x
    x = 415,299,297.06/23,099.43
  6. Step 6: Final answer
    x = 17,978.77

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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.