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Finding the Fourth Proportional to 14,699,654.80, 22,007,491.80 and 13,188,000.40

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Solution

The fourth proportional to 14,699,654.80, 22,007,491.80 and 13,188,000.40 is: 19,744,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699,654.80 : 22,007,491.80 = 13,188,000.40 : x
  2. Step 2: Convert to fraction form
    14,699,654.80/22,007,491.80 = 13,188,000.40/x
  3. Step 3: Cross multiply
    14,699,654.80x = 22,007,491.80 × 13,188,000.40
  4. Step 4: Simplify right side
    14,699,654.80x = 290,234,810,661,396.75
  5. Step 5: Solve for x
    x = 290,234,810,661,396.75/14,699,654.80
  6. Step 6: Final answer
    x = 19,744,328.33

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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.