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Finding the Fourth Proportional to 18,002.16, 26,914.50 and 15,259.50

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Solution

The fourth proportional to 18,002.16, 26,914.50 and 15,259.50 is: 22,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.16 : 26,914.50 = 15,259.50 : x
  2. Step 2: Convert to fraction form
    18,002.16/26,914.50 = 15,259.50/x
  3. Step 3: Cross multiply
    18,002.16x = 26,914.50 × 15,259.50
  4. Step 4: Simplify right side
    18,002.16x = 410,701,812.75
  5. Step 5: Solve for x
    x = 410,701,812.75/18,002.16
  6. Step 6: Final answer
    x = 22,814.03

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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.