Home / 23,643.86-32,628.31-12,888.73

Finding the Fourth Proportional to 23,643.86, 32,628.31 and 12,888.73

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Solution

The fourth proportional to 23,643.86, 32,628.31 and 12,888.73 is: 17,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.86 : 32,628.31 = 12,888.73 : x
  2. Step 2: Convert to fraction form
    23,643.86/32,628.31 = 12,888.73/x
  3. Step 3: Cross multiply
    23,643.86x = 32,628.31 × 12,888.73
  4. Step 4: Simplify right side
    23,643.86x = 420,537,477.95
  5. Step 5: Solve for x
    x = 420,537,477.95/23,643.86
  6. Step 6: Final answer
    x = 17,786.33

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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.