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Finding the Fourth Proportional to 14,814.80, 22,189.80 and 11,501.90

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Solution

The fourth proportional to 14,814.80, 22,189.80 and 11,501.90 is: 17,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.80 : 22,189.80 = 11,501.90 : x
  2. Step 2: Convert to fraction form
    14,814.80/22,189.80 = 11,501.90/x
  3. Step 3: Cross multiply
    14,814.80x = 22,189.80 × 11,501.90
  4. Step 4: Simplify right side
    14,814.80x = 255,224,860.62
  5. Step 5: Solve for x
    x = 255,224,860.62/14,814.80
  6. Step 6: Final answer
    x = 17,227.70

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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.