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Finding the Fourth Proportional to 14,803.80, 22,173.30 and 12,859.80

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Solution

The fourth proportional to 14,803.80, 22,173.30 and 12,859.80 is: 19,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.80 : 22,173.30 = 12,859.80 : x
  2. Step 2: Convert to fraction form
    14,803.80/22,173.30 = 12,859.80/x
  3. Step 3: Cross multiply
    14,803.80x = 22,173.30 × 12,859.80
  4. Step 4: Simplify right side
    14,803.80x = 285,144,203.34
  5. Step 5: Solve for x
    x = 285,144,203.34/14,803.80
  6. Step 6: Final answer
    x = 19,261.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.