Home / 14,643.41-20,192.80-12,525.95

Finding the Fourth Proportional to 14,643.41, 20,192.80 and 12,525.95

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Solution

The fourth proportional to 14,643.41, 20,192.80 and 12,525.95 is: 17,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.41 : 20,192.80 = 12,525.95 : x
  2. Step 2: Convert to fraction form
    14,643.41/20,192.80 = 12,525.95/x
  3. Step 3: Cross multiply
    14,643.41x = 20,192.80 × 12,525.95
  4. Step 4: Simplify right side
    14,643.41x = 252,933,839.57
  5. Step 5: Solve for x
    x = 252,933,839.57/14,643.41
  6. Step 6: Final answer
    x = 17,272.88

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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.