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Finding the Fourth Proportional to 14,706.86, 20,266.49 and 14,522.99

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Solution

The fourth proportional to 14,706.86, 20,266.49 and 14,522.99 is: 20,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.86 : 20,266.49 = 14,522.99 : x
  2. Step 2: Convert to fraction form
    14,706.86/20,266.49 = 14,522.99/x
  3. Step 3: Cross multiply
    14,706.86x = 20,266.49 × 14,522.99
  4. Step 4: Simplify right side
    14,706.86x = 294,329,958.99
  5. Step 5: Solve for x
    x = 294,329,958.99/14,706.86
  6. Step 6: Final answer
    x = 20,013.11

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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.