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Finding the Fourth Proportional to 14,870.88, 22,284 and 8,616.24

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Solution

The fourth proportional to 14,870.88, 22,284 and 8,616.24 is: 12,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.88 : 22,284 = 8,616.24 : x
  2. Step 2: Convert to fraction form
    14,870.88/22,284 = 8,616.24/x
  3. Step 3: Cross multiply
    14,870.88x = 22,284 × 8,616.24
  4. Step 4: Simplify right side
    14,870.88x = 192,004,292.16
  5. Step 5: Solve for x
    x = 192,004,292.16/14,870.88
  6. Step 6: Final answer
    x = 12,911.43

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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.