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Finding the Fourth Proportional to 14,397.59, 21,589.02 and 10,806.89

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Solution

The fourth proportional to 14,397.59, 21,589.02 and 10,806.89 is: 16,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.59 : 21,589.02 = 10,806.89 : x
  2. Step 2: Convert to fraction form
    14,397.59/21,589.02 = 10,806.89/x
  3. Step 3: Cross multiply
    14,397.59x = 21,589.02 × 10,806.89
  4. Step 4: Simplify right side
    14,397.59x = 233,310,056.40
  5. Step 5: Solve for x
    x = 233,310,056.40/14,397.59
  6. Step 6: Final answer
    x = 16,204.80

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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.