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Finding the Fourth Proportional to 14,497.10, 20,005.89 and 13,306.89

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Solution

The fourth proportional to 14,497.10, 20,005.89 and 13,306.89 is: 18,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.10 : 20,005.89 = 13,306.89 : x
  2. Step 2: Convert to fraction form
    14,497.10/20,005.89 = 13,306.89/x
  3. Step 3: Cross multiply
    14,497.10x = 20,005.89 × 13,306.89
  4. Step 4: Simplify right side
    14,497.10x = 266,216,202.70
  5. Step 5: Solve for x
    x = 266,216,202.70/14,497.10
  6. Step 6: Final answer
    x = 18,363.41

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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.