Home / 23,027.43-31,779.69-12,955.27

Finding the Fourth Proportional to 23,027.43, 31,779.69 and 12,955.27

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Solution

The fourth proportional to 23,027.43, 31,779.69 and 12,955.27 is: 17,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.43 : 31,779.69 = 12,955.27 : x
  2. Step 2: Convert to fraction form
    23,027.43/31,779.69 = 12,955.27/x
  3. Step 3: Cross multiply
    23,027.43x = 31,779.69 × 12,955.27
  4. Step 4: Simplify right side
    23,027.43x = 411,714,464.47
  5. Step 5: Solve for x
    x = 411,714,464.47/23,027.43
  6. Step 6: Final answer
    x = 17,879.31

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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.