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Finding the Fourth Proportional to 14,860.80, 22,156.80 and 14,092.80

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Solution

The fourth proportional to 14,860.80, 22,156.80 and 14,092.80 is: 21,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.80 : 22,156.80 = 14,092.80 : x
  2. Step 2: Convert to fraction form
    14,860.80/22,156.80 = 14,092.80/x
  3. Step 3: Cross multiply
    14,860.80x = 22,156.80 × 14,092.80
  4. Step 4: Simplify right side
    14,860.80x = 312,251,351.04
  5. Step 5: Solve for x
    x = 312,251,351.04/14,860.80
  6. Step 6: Final answer
    x = 21,011.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.