Home / 18,681.62-28,025.13-5,532.26

Finding the Fourth Proportional to 18,681.62, 28,025.13 and 5,532.26

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Solution

The fourth proportional to 18,681.62, 28,025.13 and 5,532.26 is: 8,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.62 : 28,025.13 = 5,532.26 : x
  2. Step 2: Convert to fraction form
    18,681.62/28,025.13 = 5,532.26/x
  3. Step 3: Cross multiply
    18,681.62x = 28,025.13 × 5,532.26
  4. Step 4: Simplify right side
    18,681.62x = 155,042,305.69
  5. Step 5: Solve for x
    x = 155,042,305.69/18,681.62
  6. Step 6: Final answer
    x = 8,299.19

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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.