Home / 23,145.75-31,933.71-14,188.77

Finding the Fourth Proportional to 23,145.75, 31,933.71 and 14,188.77

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Solution

The fourth proportional to 23,145.75, 31,933.71 and 14,188.77 is: 19,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.75 : 31,933.71 = 14,188.77 : x
  2. Step 2: Convert to fraction form
    23,145.75/31,933.71 = 14,188.77/x
  3. Step 3: Cross multiply
    23,145.75x = 31,933.71 × 14,188.77
  4. Step 4: Simplify right side
    23,145.75x = 453,100,066.44
  5. Step 5: Solve for x
    x = 453,100,066.44/23,145.75
  6. Step 6: Final answer
    x = 19,575.95

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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.