Home / 23,418.73-32,317.86-12,809.35

Finding the Fourth Proportional to 23,418.73, 32,317.86 and 12,809.35

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Solution

The fourth proportional to 23,418.73, 32,317.86 and 12,809.35 is: 17,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.73 : 32,317.86 = 12,809.35 : x
  2. Step 2: Convert to fraction form
    23,418.73/32,317.86 = 12,809.35/x
  3. Step 3: Cross multiply
    23,418.73x = 32,317.86 × 12,809.35
  4. Step 4: Simplify right side
    23,418.73x = 413,970,779.99
  5. Step 5: Solve for x
    x = 413,970,779.99/23,418.73
  6. Step 6: Final answer
    x = 17,676.91

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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.